Parent psychology and the decision to delay childhood vaccination

"Not Only a Matter of Personal Interest"-Vaccination Narratives and the Model of Moral Motives in China and Germany

Understanding vaccination decision-making processes is vital for guiding vaccine promotion within pandemic contexts and for routine immunization efforts. Vaccine-related attitudes influencing individual decision-making can be affected by broader cultural and normative contexts. We conducted 73 qualitative interviews with adults in China (n = 40) and Germany (n = 33) between December 2020 and April 2021 to understand COVID-19 vaccination intentions and preferences, and we analyzed transcripts using a five-step framework approach. During early analysis, we identified moral considerations in line with the tenets of the Model of Moral Motives (MMM) as a recurrent theme in the data. The MMM guided further analysis steps, particularly with its distinction between motives that are proscriptive (focus on avoiding harm by inhibiting "bad" behavior) and prescriptive (focus on actively seeking positive outcomes). Proscriptive vaccination arguments that compelled vaccination in our data included avoiding negative attention, being a law-abiding citizen, preventing harm to others, and protecting one's country. Prescriptive motives focused on self-efficacious behavior such as protecting the health of oneself and others via widespread but voluntary vaccination, prioritizing elderly and predisposed individuals for vaccination, and favoring a fair and equitable distribution of vaccines at the global level. In the interviews in China, both lines of arguments emerged, with a general tendency toward more proscriptive reasoning; interviews conducted in Germany tended to reflect more prescriptive motives. We encourage research and vaccine promotion practice to reflect moral considerations when aiming to understand public health preventive behavior and when developing tailored health promotion campaigns.

"I Don't Understand How These Two Things Go Together": Toward a Theory of Risk Ecologies

Rhetorical ecological approaches, which posit that messages exist not as isolated entities but instead in the relations of a dynamic network, offer a valuable lens for examining the discursive construction of health-related risk. Drawing from interview data (n = 50) exploring maternal vaccine refusal, this article expands upon these frameworks to trace how intertextual, synchronous messages - particularly those associated with prenatal and infant nutrition - influence mothers' understanding about early childhood vaccine-related risk. Ultimately, I propose the notion of a risk ecology - a network of intertextual messages which shape and constrain sense-making about risk as it emerges within a particular moment and biosocial community.

Parental vaccine hesitancy and influenza vaccine type preferences during and after the COVID-19 Pandemic

BACKGROUND

Seasonal influenza vaccine (SIV) greatly reduces disease burden among school-aged children, yet parental vaccine hesitancy remains a persistent challenge. Two types of SIV are available for children in Hong Kong and other locations: inactivated influenza vaccine (IIV), administered through intramuscular injection, and live attenuated influenza vaccine (LAIV), administered via nasal spray. We aimed to understand how vaccine hesitancy shaped parental preference for LAIV versus IIV, particularly amidst important public health events, such as the COVID-19 pandemic and the massive rollout of COVID-19 vaccination campaigns.

METHODS

We employed a concurrent mixed-methods design. The quantitative part involves longitudinal surveys spanning three years, from pre-pandemic to post-pandemic periods, tracking parental vaccine hesitancy and preference for SIV types. The qualitative part involves 48 in-depth interviews, providing insights into parental preference for SIV types, underlying reasons, and related values.

RESULTS

Our quantitative analyses show an overall increase in parental vaccine hesitancy and preference for LAIV over IIV after the onset of the COVID-19 pandemic and especially after the rollout of the COVID-19 vaccination campaign. Further logistic regression modelling based on the cohort data shows that higher vaccine hesitancy, coupled with the COVID-19 vaccination campaign rollout, predicts a greater preference for LAIV over IIV. The qualitative analysis complements these results, highlighting that LAIV's non-invasive nature aligns with parental values of prioritizing natural immunity and concerns about overmedication, leading to a more acceptable attitude towards LAIV.

CONCLUSIONS

Leveraging the higher acceptability of LAIV compared to IIV among parents with high vaccine hesitancy could promote childhood vaccination uptake.

Vaccine hesitancy and trust in sub-Saharan Africa

Lack of trust is a primary reason behind the global rise in vaccine hesitancy. Existing research on the trust-vaccine hesitancy nexus has almost exclusively focused on COVID-19 with the vast majority of studies examining industrialized countries. In this study, we investigated the influence of trust in different policy-relevant actors (government, science, media, pharmaceutical companies, society) on vaccine hesitancy for recently available vaccines related to polio and HPV which we benchmark against a COVID-19 vaccine. Leveraging unique primary data on 5203 individuals from six countries (Ghana, Kenya, Nigeria, South Africa, Tanzania, and Uganda), we showed that individuals' trust in the government and society are key predictors of vaccine hesitancy. Furthermore, we demonstrated that these relationships are remarkably stable across vaccine, disease, and country contexts.

Strategies for Improving Vaccine Communication and Uptake

Vaccines have led to a significant decrease in rates of vaccine-preventable diseases and have made a significant impact on the health of children. However, some parents express concerns about vaccine safety and the necessity of vaccines. The concerns of parents range from hesitancy about some immunizations to refusal of all vaccines. This clinical report provides information about the scope and impact of the problem, the facts surrounding common vaccination concerns, and the latest evidence regarding effective communication techniques for the vaccine conversation. After reading this clinical report, readers can expect to: Understand concepts and underlying determinants of vaccine uptake and vaccine hesitancy.Understand the relationship between vaccine hesitancy and costs of preventable medical care.Recognize and address specific concerns (eg, vaccine safety) with caregivers when hesitancy is present.

Hesitancy or Resistance? Differential Changes in COVID-19 Vaccination Intention Between Black and White Americans

The literature on COVID-19 vaccination has rarely taken a macro and longitudinal approach to investigate the nuanced racial and ethnic differences in vaccine hesitancy and refusal. To fill this gap, this study examines the relationships between race, time, and COVID-19 vaccine hesitancy and refusal using state-level data from the US Census Household Pulse Survey, 2020 US Decennial Census, and other sources (i.e., American Community Survey, Human Development Index database, and Centers for Disease Control and Prevention). Four longitudinal Generalized Estimating Equations (GEEs) were estimated to analyze how time-variant and time-invariant measures, and time itself influenced COVID-19 vaccine hesitancy and refusal rates, controlling for the effect of other relevant covariates. The results provide descriptive evidence that COVID-19 vaccine hesitancy had decreased in the USA, but vaccine refusal remained stable between January and October 2021. The GEEs further indicated that the proportion of the Black population was positively associated with both vaccine hesitancy and refusal rates, while the proportion of the White population was positively associated with the vaccine refusal rate but not associated with the vaccine hesitancy rate. In addition, over the 10-month period, COVID-19 vaccine hesitancy and refusal in the Black population declined rapidly, but vaccine refusal in the White population stayed fairly stable. More research and practical efforts are needed to understand and inform the public about these important but overlooked trends.

Assessing parental intention to vaccinate against COVID-19, influenza, and RSV in the United States in late 2023

Vaccine hesitancy is a substantial public health threat. We used a national survey to query parents about their intention to vaccinate their children against COVID-19, influenza, and RSV in the fall and winter 2023-2024. We found that about 40% of parents intended to vaccinate their children against COVID-19, 63% against influenza, and 71% against RSV. Intention to vaccinate was consistently correlated with concerns about the disease, trust in health institutions, and previous vaccinations. Women showed lower intentions for COVID-19 and influenza. For COVID-19 and RSV, intentions were higher for those who thought vaccines were important. Concerns about autism were negatively associated for COVID-19. Liberals showed larger intentions for COVID-19. Major reasons for hesitancy include concerns about safety, necessity, and lack of information. The large number of unvaccinated children will likely lead to large numbers of excessive disease in children as well as exert large negative externalities on society at large.

Assessing past and future COVID-19 vaccine hesitancy in the United States in light of federal policy changes

Vaccinations provide an effective solution against the ongoing COVID-19 pandemic. Using a national survey (n = 3958), this study explored vaccination hesitancy for various COVID-19 vaccines and boosters, including the newly released annual vaccine for fall and winter 2023-2024. It also assessed support for federal funding for COVID-19 testing, vaccinations, and treatment. Consistent correlates of past vaccination refusal were perceptions of vaccines as safe and important, previous COVID-19 tests, concern about COVID-19, having voted for President Trump, higher religiosity, being liberal, trust in health institutions, health insurance status, and education. Other predictors showed inconsistent results across the various stages. Drivers of vaccination refusal were concerns about vaccine safety and side effects, perceived lack of information, and having previously contracted COVID-19. Intention to vaccinate was associated with concerns about COVID-19, liberalism, and trust in health institutions. Other factors were intermittently significant. We found consistent support for federal funding for those concerned about COVID-19, those concerned about the effectiveness of existing vaccines, those with trust in health institutions, those who thought vaccines are important, women, and those with lower levels of education. Opposition came from conservatives and Trump voters.

Assessing vaccine hesitancy and support for vaccination requirements for pets and potential Spillovers from humans

BACKGROUND

Growing vaccination hesitancy is well-document among humans. However, we know very little about vaccination hesitancy for pets as well as whether the two phenomena are interconnected. Moreover, support for pet vaccination requirements also remain underassessed.

METHODS

We fielded a large, national survey (N = 3,958) on August 18 and August 19, 2023, to assess U.S. public opinion about the vaccination status of dogs (rabies, canine parvovirus, canine distemper, canine influenza, and Lyme disease) and cats (rabies, feline panleukopenia (parvo), feline herpesvirus-1, feline chlamydia, and feline Bordetella) in the United States. We also queried respondents about their support for vaccination requirements for the 10 diseases.

RESULTS

We find that the vast majority of cats and dogs are vaccinated. However, a substantial minority of pets is not, particularly for cats and for non-core vaccines. We find that attitudinal measures of human and pet vaccine hesitancy are closely related to each other. Moreover, they are strong predictors of vaccine behavior. Measures of vaccine hesitancy are also strong predictors of support for vaccination mandates. Common measures used to assess human vaccine hesitancy showed inconsistent effects. However, pet vaccinations appear to be less politically polarizing.

CONCLUSION

The high correlation between pet and human measures raises the stake for public health efforts to improve attitudes about vaccines and vaccination rates across the board. Strong support for vaccination requirements should encourage policymakers to explore policy change. Moreover, veterinarians and their associations should consider expanding the number of core vaccinations.

U.S. public support and opposition to vaccination mandates in K-12 education in light of the COVID-19 pandemic

BACKGROUND

Vaccination mandates have long been an effective tool in increasing vaccination rates and reducing the potential for disease outbreaks. In the wake of COVID-19, opposition to mandates in the K-12 setting has garnered more attention, and policymakers opposed to them have become more active. This study sought to assess whether these efforts are supported by the U.S. public.

METHODS

We fielded a large, national survey (N = 16,461) from January to April of 2022 to assess U.S. public opinion about seven specific vaccination mandates (diphtheria, tetanus, & pertussis (DTaP); polio; chickenpox; measles, mumps, and rubella (MMR); hepatitis; human papillomavirus (HPV); and COVID-19) in K-12 educational settings.

RESULTS

We found that Americans are overwhelmingly supportive of all vaccination mandates with support ranging from a high 90 percent of respondents for DTaP, polio, chickenpox, and MMR to a low of 68 percent for COVID-19. Individuals who deemed vaccines safe and important, those with trust in the National Institutes of Health and the Food and Drug Administration, urban residents, and ethnic and racial minorities tended to be consistently more supportive. Perceptions about vaccine effectiveness were positively associated with mandate support in most cases, as was trust in medical doctors. Respondents who believed that vaccines cause autism, those with better health and more trust in religious leaders tended to be consistently more opposed. Women were generally more supportive of mandates except for HPV and COVID-19. Ideology and partisanship affected opinion for COVID-19 as did trust in the Centers for Disease Control and Prevention. We found no effects for income or education.

CONCLUSION

Vaccination mandates in K-12 have broad support among the American public, even in more controversial cases such as HPV and COVID-19. Vocal opposition and growing interest by policymakers to limit or undo vaccination mandates are not supported by the broader public.

Moral foundations and HPV vaccine acceptance in the United States: State, parental, and individual factors

RATIONALE

Appeals to intuitive morality may present a novel approach to addressing vaccine hesitancy.

OBJECTIVE

To better understand the relationship between morality and vaccination by employing Moral Foundations Theory to studies surrounding the HPV vaccination at multiple different levels of decision making.

METHOD

We employed three different study modalities which examined moralities link to vaccination by employing Moral Foundations Theory. A state-wide ecological study aimed to understand population level trends. Two randomized control interventional studies were then created to understand the effects of Moral Foundations Theory based interventions on both parents of children and individual decision makers.

RESULTS

We demonstrated a negative association at the state level between the purity moral foundations and HPV vaccination rates (β = -.75, SE 0.23; p < .01) and a positive association between loyalty and HPV vaccination rates (β = 0.62 SE 0.24; p < .05). The parental study built upon this by demonstrating negative association between higher moral purity scores and attitudes towards the HPV vaccine and intention to vaccinate their children (β = -0.27 SE 0.07; p < .001). Our final study demonstrated a Moral Foundations Theory based intervention was associated with an increase in the odds of indicating an intention to receive the HPV vaccination (adjusted Odds Ratio (aOR) 2.59, 95% Confidence Interval (CI) 1.62-4.14). This equates to a 20% increase in the predicted probability of the intention to receive an HPV vaccine (39% CI (36%-42%) vs 60% CI (57%-63%).

CONCLUSIONS

Together, these studies demonstrate that moral foundations, specifically the purity foundation, appear to have a strong and consistent relationship with HPV vaccination. They also demonstrate the how moral values-based interventions may serve as a novel approach to increase HPV vaccine uptake with potential to be employed to target vaccine hesitancy more broadly.

Frequency of health care provider recommendations for HPV vaccination: a survey in three large cities in China

Introduction

Human papillomavirus (HPV) infection, an important pathogenic factor for cervical cancer, can be prevented by the HPV vaccine. Health care provider (HCP) recommendations contribute to improve HPV vaccination coverage. The aim of this study was to assess the frequency of HCP recommendations for HPV vaccination and associated factors.

Methods

From Nov 8 to Dec 6 in 2018, a cross-sectional study was conducted through online questionnaires among HCPs (n = 1,371) from hospitals in three large cities in China (Shanghai, Guangzhou, and Shenzhen). Data on demographic characteristics, the frequency of HPV vaccination recommendations, HPV knowledge and related attitudes were collected through the questionnaires.

Results

Among 1,371 participants, only 30.2% reported that they frequently recommended HPV vaccination. Multivariate analyses indicated that female sex, being employed in obstetrics or gynecology departments and community health service centers, and having higher self-reported and actual knowledge of HPV were factors associated with a higher recommendation frequency. Factors including a self-perceived non-obligation to provide recommendations and difficulties in discussing sexual topics were significantly correlated with less frequent recommendations. Employment in a community health service center (OR = 2.068, 95% CI: 1.070-3.999) was the strongest factor associated with the frequency of HCPs' recommendations for HPV vaccination.

Discussion

The frequency of HCPs' recommendations for HPV vaccination in China was much lower than that in many developed countries. To enhance the recommendation frequency, medical institutions should help HCPs gain more knowledge of HPV and master communication skills. At the same time, the government should take measures to enhance the accessibility of HPV vaccines. The media should help to alleviate people's concerns and encourage them to face up sexual health.

The role of conspiracy mindset in reducing support for child vaccination for COVID-19 in the United States

Introduction

We have previously proposed and tested a model that predicts reluctance to vaccinate against COVID-19 in the US from embrace of a conspiracy mindset that distrusts the federal health agencies of the US government and regards their intentions as malevolent. In this study, we tested the model's ability to predict adult support for COVID vaccination of children ages 5-11 after the vaccine was approved for this age group.

Methods

Relying on a national panel that was established in April 2021 (N = 1941) and followed until March of 2022, we examined the relation between conspiratorial thinking measured at baseline and belief in misinformation and conspiracies about COVID vaccines, trust in various health authorities, perceived risk of COVID to children, and belief in conspiracy theories about the pandemic's origin and impact. In addition, we tested a structural equation model (SEM) in which conspiracy mindset predicted adult support for childhood vaccination for COVID in January and March of 2022 as well as the adults own vaccination status and their willingness to recommend vaccinating children against measles, mumps and rubella (MMR).

Results

The model accounted for 76% of the variance in support for childhood vaccination for COVID-19; the relation between the mindset and support for vaccination was entirely mediated by baseline assessments of misinformation, trust, risk, and acceptance of pandemic conspiracy theories.

Discussion

The SEM replicated the prior test of the model, indicating that a conspiracy mindset present among at least 17% of the panel underlies their resistance to vaccinate both themselves and children. Efforts to counteract the mindset will likely require the intervention of trusted spokespersons who can overcome the skepticism inherent in conspiratorial thinking about the government and its health-related agencies' recommendations for a particular vaccine.

Hesitant adopters: COVID-19 vaccine hesitancy among diverse vaccinated adults in the United States

Background

Despite the United States (US) having an abundant supply of COVID-19 vaccines, vaccination rates lag behind other high-income countries, suggesting that vaccine hesitancy and attitudes play a greater role in public health measures than pure supply and access. With the acknowledgment that vaccination attitudes and status may or may not be correlated, this study examined COVID-19 vaccine hesitancy among vaccinated US adults by asking: 1) What is the prevalence of COVID-19 vaccine hesitancy among the vaccinated? 2) Does COVID-19 vaccine hesitancy vary across sociodemographic characteristics? 3) Does COVID-19 vaccine hesitancy vary by healthcare access and influenza vaccination over the past 5 years?

Methods

Data were collected through an online survey of 2022 US adults with a final analytic sample of 1383 vaccinated respondents.

Results

Overall, 48.8% of vaccinated adults reported some level of hesitancy, while a slight majority reported they were "not at all hesitant". Younger respondents, women, and Black and American Indian or Alaska Native participants had greater adjusted odds of being more hesitant towards receiving the COVID-19 vaccine. Respondents who had a primary care physician had greater adjusted odds than those who did not have a primary care physician of being more hesitant towards receiving the COVID-19 vaccine.

Conclusions

This is the first population-based national sample study examining COVID-19 vaccine hesitancy among vaccinated individuals from subgroups of distinctive backgrounds in order to inform targeted strategies for reducing vaccine hesitancy. Findings can assist in efforts to increase vaccination rates and also decrease vaccine hesitancy at the national level.

Human Papillomavirus Vaccine Hesitancy in the United States

Although the US Advisory Committee on Immunization Practices recommends vaccinating adolescents against the human papillomavirus (HPV) to prevent HPV-associated cancers, vaccine initiation and completion rates are suboptimal. Parental and provider hesitancy contributes significantly to low HPV vaccine uptake. This review describes sources of HPV vaccine hesitancy using a World Health Organization framework that categorizes determinants of vaccine hesitancy as follows: contextual factors (historical, sociocultural, environmental, or political factors), individual and group factors (personal perception or influences of the social/peer environment), and vaccine/vaccination-specific issues (directly related to vaccine or vaccination).

A Systematic Review of Factors That Influence Parents’ Views and Practices around Routine Childhood Vaccination in Africa: A Qualitative Evidence Synthesis

A Cochrane review which explored the factors that influence caregivers’ views and practices around routine childhood vaccines worldwide was conducted by Cooper and colleagues. After sampling 154 studies that met their inclusion criteria, the authors included 27 studies in their synthesis, of which 6 were from Africa. The aim of the current review was to synthesise all 27 studies conducted in Africa. We wanted to determine if the inclusion of additional African studies will change any of the themes, concepts or theory generated in the Cochrane review. Our review found that parents’ views and practices regarding childhood vaccination in Africa were influenced by various factors, which we categorised into five themes, namely, ideas and practices surrounding health and illness (Theme 1); social communities and networks (Theme 2); political events, relations, and processes (Theme 3); lack of information or knowledge (Theme 4); and access-supply-demand interactions (Theme 5). All of the themes identified in our review were also identified in the Cochrane review except for one theme, which was lack of information or knowledge. This finding will help to promote vaccine acceptance and uptake in Africa by developing and implementing interventions tailored to address lack of knowledge and information around vaccines.

Contemporary trends in psychological research on conspiracy beliefs. A systematic review

Background

The number of psychological studies on conspiracy beliefs has been systematically growing for about a dozen years, but in recent years, the trend has intensified. We provided a review covering the psychological literature on conspiracy beliefs from 2018 to 2021. Halfway through this period, the COVID-19 pandemic broke out, accompanied by an explosion of movements based on conspiracy theories, intensifying researchers' interest in this issue.

Methods

Adhering to PRISMA guidelines, the review systematically searched for relevant journal articles published between 2018 and 2021. A search was done on Scopus and Web of Science (only peer-reviewed journals). A study was included if it contained primary empirical data, if specific or general conspiracy belief(s) were measured and if its correlation with at least one other psychological variable was reported. All the studies were grouped for the descriptive analysis according to the methodology used, the participants' characteristics, the continent of origin, the sample size, and the conspiracy beliefs measurement tools. Due to substantial methodological heterogeneity of the studies, narrative synthesis was performed. The five researchers were assigned specific roles at each stage of the analysis to ensure the highest quality of the research.

Results

Following the proposed methodology, 308 full-text articles were assessed for eligibility and 274 articles (417 studies) meeting the inclusion criteria were identified and included in the review. Almost half of the studies (49.6%) were conducted in European countries. The vast majority of the studies (85.7%) were carried out on samples of adult respondents. The research presents antecedents as well as (potential) consequences of conspiracy beliefs. We grouped the antecedents of conspiracy beliefs into six categories: cognitive (e.g., thinking style) motivational (e.g., uncertainty avoidance), personality (e.g., collective narcissism), psychopathology (e.g., Dark Triad traits), political (e.g., ideological orientation), and sociocultural factors (e.g., collectivism).

Conclusion and limitations

The research presents evidence on the links between conspiracy beliefs and a range of attitudes and behaviors considered unfavorable from the point of view of individuals and of the society at large. It turned out that different constructs of conspiracy thinking interact with each other. The limitations of the study are discussed in the last part of the article.

Collateral damage from debunking mRNA vaccine misinformation

Amid the COVID-19 pandemic, the scientific community has been understandably eager to combat misinformation about issues such as vaccine safety. In highly polarized information environments, however, even well-intentioned messages have the potential to produce adverse effects. In this study, we connect different disciplinary strands of social science to derive and experimentally test the novel hypothesis that although particular efforts to debunk misinformation about mRNA vaccines will reduce relevant misperceptions about that technology, these correctives will harm attitudes toward other types of vaccines. We refer to this as the "collateral damage hypothesis." Our study specifically examines a corrective message stating that "mRNA vaccines do not contain live virus," and our results offer some support for our hypothesis, with the corrective triggering increased societal risk perceptions of live vaccines. We also find that the effect is, predictably, most evident among those whose vaccine acceptance is low. Building on the theoretical grounding we outline, we test a "damage control" adjustment to the corrective message and present evidence supporting that it mitigates the collateral damage.

Parents' Willingness to Vaccinate Children for COVID-19: Conspiracy Theories, Information Sources, and Perceived Responsibility

Understanding parental decision-making about vaccinating their children for COVID-19 is essential to promoting uptake. We conducted an online survey between April 23-May 3, 2021, among a national sample of U.S. adults to assess parental willingness to vaccinate their child(ren). We also examined associations between parental intentions to VACCINATE their children for COVID-19 and conspiracy theory beliefs, trusted information sources, trust in public authorities, and perceptions regarding the responsibility to be vaccinated. Of 257 parents of children under 18 years that responded, 48.2% reported that they would vaccinate their children, 25.7% were unsure, and 26.1% said they would not vaccinate. After adjusting for covariates, each one-point increase in the Vaccine Conspiracy Beliefs Scale was associated with 25% lower odds of parents intending to vaccinate their children compared to those who did not intend to (adjusted odds ratio (AOR) = 0.75, 95% confidence interval (CI): 0.64-0.88). Parents that perceived an individual and societal responsibility to be vaccinated were more likely to report that they intended to vaccinate their children compared to those that did not intend to vaccinate their children (AOR = 5.65, 95% CI: 2.37-13.44). Findings suggest that interventions should focus on combatting conspiracy beliefs, promoting accurate and trusted information sources, and creating social norms emphasizing shared responsibility for vaccination.

Investigating how historical legacies of militarized violence can motivate COVID-19 vaccine hesitancy: Evidence from global dyadic survey

BACKGROUND

In almost all countries, COVID-19 vaccines available for public use are produced outside of that country. Consistent with recent social science research, we hypothesize that legacies of violent conflict from vaccine-producing against vaccine-consuming countries may motivate vaccine hesitancy among people in targeted countries that purchase vaccines produced by the erstwhile aggressor.

METHODS

Our analyses draw on data from the Correlates of War project and a large, representative survey of 18,291 adults that asked respondents in 16 countries to self-report their attitudes toward COVID-19 vaccines originating from 12 potential vaccine-producing countries in December 2020 (184 country-pairs, 208,422 ratings). For the main analysis, we used random-effect linear probability models and turned to Bayesian Model Averaging to probe the robustness of the main findings.

RESULTS

We demonstrate that elevated levels of historical violence between vaccine-producing and vaccine-consuming countries are associated with increased negative feelings toward a COVID-19 vaccine produced by the vaccine producer.

CONCLUSION

Global vaccine hesitancy may result, at least in part, from public perceptions of historical conflict between vaccine-producing and vaccine-consuming countries. These results can help public health practitioners better preempt and adjust for cross-national vaccine resistance.

Knowledge, attitude, and hesitancy towards COVID-19 vaccine among university students of Bangladesh

Global vaccination coverage is an urgent need to recover the recent pandemic COVID-19. However, people are concerned about the safety and efficacy of this vaccination program. Thus, it has become crucial to examine the knowledge, attitude, and hesitancy towards the vaccine. An online cross-sectional survey was conducted among university students of Bangladesh. Total of 449 university students participated. Most of these students used the internet (34.74%), social media (33.41%), and electronic media (25.61%) as a source of COVID-19 vaccine information. Overall, 58.13% and 64.81% of university students reported positive knowledge and attitude towards the COVID-19 vaccine. 54.34% of these students agreed that the COVID-19 vaccine is safe and effective. 43.88% believed that the vaccine could stop the pandemic. The Spearman’s Rank correlation determined the positive correlation between knowledge and attitude. The negative correlation was determined between positive knowledge and hesitancy, and positive attitude and hesitancy. University students with positive knowledge and attitude showed lower hesitancy. Multiple logistic regression analyses determined the university type and degree major as the predictors of knowledge, whereas only degree major was the predictor of attitudes. 26.06% of the study population showed their hesitancy towards the vaccine. University type and degree major were also determined as predictors of this hesitancy. They rated fear of side effects (87.18%) and lack of information (70.94%) as the most reasons for the hesitancy. The findings from this study can aid the ongoing and future COVID-19 vaccination plan for university students. The national and international authorities can have substantial information for a successful inoculation campaign.

Pro-vaccination Groups Expressing Hesitant Attitudes: A Cross-Sectional Study About the Difference Between Attitudes and Actual Behavior in Israel

Background

Vaccines have contributed to the decline in mortality, morbidity, and even the eradication of various infectious diseases. Over time, the availability of information to the public and the request for public involvement in the health decision-making process have risen, and the confidence in vaccines has dropped. An increasing number of parents and individuals are choosing to delay or refuse vaccines.

Objectives

(1) Identifying hesitant attitudes among pro-vaccination parents; (2) testing the difference between the rate of hesitant attitudes and the rate of hesitancy in practice among pro-vaccination parents; and (3) examining the association of sociodemographic characteristics (gender, age, marital status education and religious affiliation) with the difference between hesitant attitudes and hesitancy in practice among pro-vaccination parents.

Methods

Descriptive cross-sectional survey using an online survey that measured vaccine hesitancy among pro-vaccination parents (n = 558) whose children were in kindergarten (3–5 years), according to a variety of sociodemographic characteristics.

Results

A significant difference was found between the rate of hesitant attitudes and the rate of hesitation in actual vaccination among pro-vaccination and hesitant parents, where despite that 26% of the parents had hesitant attitudes, only 19% hesitated in practice [P = 0.0003]. There was also a significant difference between the rate of hesitant attitudes and the rate of hesitancy in practice among women [P = 0.0056] and men [P = 0.0158], parents between 30 and 39 years of age [P = 0.0008], traditional parents [P = 0.0093], Non-academic parents [P = 0.0007] and parents with BA degree [P = 0.0474].

Conclusion

Pro-vaccination individuals may have hesitant attitudes regarding vaccines. Therefore, it is very important for health authorities to address the public's fears and concerns, including those who are classified as pro-vaccination.

Vaccinating across the aisle: using co-partisan source cues to encourage COVID-19 vaccine uptake in the ideological right

Overcoming the COVID-19 pandemic in the United States will require most Americans to vaccinate against the disease. However, considerable research suggests that a significant proportion of Americans intend to forego vaccination, putting pandemic recovery at risk. Republicans are one of the largest groups of COVID-19 vaccine hesitant individuals. Therefore, identifying strategies to reduce vaccine hesitancy within this group is vital to ending the pandemic. In this study, we investigate the effectiveness of messages from co-partisan sources in reducing vaccine hesitancy. In a large (N = 3000) and demographically representative survey, we find that exposing “Middle-of-the-Road” partisans to pro-vaccine messages from co-partisan source cues reduces vaccine hesitancy. However, for those who identify as “Strong” or “Weak” partisans, we find no statistically significant differences in vaccination intentions when exposed to pro-vaccine messages from co-partisan sources. We conclude by discussing how our findings are helpful for vaccine communication efforts.

Factors Associated With the Vaccination Behavior Among COVID-19 Vaccine Hesitant College Students in Wuhan, China: A Survey Based on Social Psychological Dimension

Background

During the COVID-19 pandemic, vaccine hesitancy (VH) on COVID-19 vaccination still exists in different populations, which has a negative impact on epidemic prevention and control. The objectives were to explore college students' willingness to vaccinate, determine the factors influencing the vaccination behavior of students with COVID-19 vaccine hesitancy, and provide a basis for improving the compliance of college students with COVID-19 vaccination.

Methods

The universities in Wuhan are categorized into three levels according to their comprehensive strength and randomly sampled at each level, of which ten universities were selected. A self-designed anonymous electronic questionnaire was distributed online from May 12 to 31, 2021 to investigate the hesitancy, vaccination status, and influencing factors of COVID-19 vaccination among college students in Wuhan.

Results

Of the 1,617 participants (1,825 students received the electronic questionnaire) surveyed, 19.0% reported COVID-19 vaccine hesitancy. Among the vaccine-hesitant students, 40.1% were vaccinated against COVID-19. The binary logistic regression analysis shows that families' attitudes "Uncertain" (odds ratio (OR) = 0.258 [0.132-0.503]), vaccination risk psychology (OR = 0.242 [0.079-0.747]) and wait-and-see mentality (OR = 0.171 [0.068-0.468]) are negative factors for the vaccination behavior of hesitant students, while herd mentality (OR = 7.512 [2.718-20.767]) and uncertainty of free policy's impact on vaccine trust (OR = 3.412 [1.547-7.527]) are positive factors.

Conclusion

The vaccine hesitancy among college students in Wuhan was relatively high. Family support, herd mentality and free vaccination strategies can help improve vaccination among hesitant students, while vaccination risk psychology and "wait-and-see" psychology reduce the possibility of vaccination. The vaccination strategy of college students should be strengthened from the perspective of social psychological construction.

The politics of vaccine hesitancy in Europe

BACKGROUND

Vaccine hesitancy threatens public health. Some evidence suggests that vaccine hesitancy in Europe may be linked with the success of populist parties, but more systematic analysis is needed.

METHODS

We examine the prevalence of individual-level vaccine hesitancy across the European Union (EU) and its association with political orientations. We also analyze whether success of populist parties is linked with vaccine hesitancy and uptake. We draw on individual-level Eurobarometer data from 2019, with a total of 27 524 respondents across the EU. We also rely on national and regional-level populist party vote shares. Finally, for a time-series analysis, we rely on aggregated populist party support as measured in the European Social Survey waves 1-9 (2002-18), and national immunization coverage rates from the WHO from 2002 to 2018.

RESULTS

While vaccine hesitancy is confined to a minority of the population, this group is large enough to risk herd immunity. Political orientations on a left-right dimension are not strongly linked to vaccine hesitancy. Instead, vaccine hesitancy is associated with anti-elite world views and culturally closed rather than cosmopolitan positions.

CONCLUSIONS

Vaccine hesitancy is not only present in all EU member states but also maps on broader dimensions of cultural conflict. Hesitancy is rooted in a broader worldview, rather than misperceptions about health risks. Pro-vaccine interventions need to consider the underlying worldview, rather than simply targeting misperceptions.

Vaccine Literacy and Source of Information about Vaccination among Staff of Nursing Homes: A Cross-Sectional Survey Conducted in Tuscany (Italy)

Vaccine literacy (VL) mediates the transfer of information and facilitates vaccination acceptance. The aims of this study are to validate the HLVa-IT (Health Literacy Vaccinale degli adulti in Italiano—Vaccine health literacy for adults in Italian language) for the staff of nursing homes (NHs), to measure VL in such a peculiar target group, and to assess its relationship with the sources used to obtain information about vaccines and vaccinations. A survey has been conducted in a sample of Tuscan NHs using an online questionnaire. Eight-hundred and fifty-three questionnaires were analyzed. Two dimensions of the HLVa-IT appeared (functional and interactive/communicative/critical VL). The HLVa-IT interactive/communicative/critical subscale score was slightly higher than the functional subscale, although with no statistical significance. General practitioners (GPs) or other professionals have been reported as the main source of information by most of the respondents (66.1%). The HLVa-IT total score was significantly higher among those who have declared to use official vaccination campaigns (mean score: 3.25 ± 0.49; p < 0.001), GPs or other health professionals (3.26 ± 0.47; p < 0.001), and search engines (3.27 ± 0.48; p = 0.040) as the main sources of information. In conclusion, the HLVa-IT could be reliable test to investigate VL for staff of NHs, and also to highlight criticalities related to information sources.

Inside the 'black box' of COVID-19 vaccination beliefs: Revealing the relative importance of public confidence and news consumption habits

RATIONALE

President Biden's goal for 70% of U.S. adults to have received at least one vaccine by July 4, 2021 was not achieved.

OBJECTIVE

The aim of this research was to assess the 'black box' of positive COVID-19 vaccination beliefs to determine the relative importance of each factor and thus inform well-targeted and tailored health promotion efforts.

METHODS

A cross-sectional survey was conducted in a sample of U.S. adults (N = 1656), assessing the influence of demographic characteristics, cognitive effects, public confidence, and news source variety and evaluation on positive COVID-19 vaccination beliefs.

RESULTS

Overall, the strongest predictor of positive beliefs was high confidence in public health officials and political institutions to handle the COVID-19 pandemic effectively, yet negative sentiments toward COVID-19 research and science and COVID-19 vaccine ambivalence reduced the likelihood that beliefs were positive. Cognitive effects and public confidence were identified as key predictors of positive COVID-19 vaccination beliefs over and above party identification. Importantly, high levels of confidence in science and government were mostly driven by positive evaluations of liberal news sources. High levels of COVID-19 science backlash were mostly driven by positive evaluations of conservative news sources.

CONCLUSIONS

To motivate COVID-19 vaccination among hesitant or resistant groups in the population, health promotion efforts should seek to reinforce positive COVID-19 vaccination beliefs by increasing public confidence and by reducing COVID-19 science backlash, largely by choosing specific news media and social media platforms (e.g., Breitbart, Fox News, and Facebook) as channels for health promotion and health information dissemination.

Knowledge, Attitudes, and Practices of Healthcare Workers in Jordan towards the COVID-19 Vaccination

The rapid development of COVID-19 vaccines raises concerns over vaccine hesitancy among healthcare workers (HCWs) and the general public, which made understanding the factors influencing hesitancy crucial in the maintenance of a solid healthcare system. This cross-sectional study investigated the knowledge, attitudes, and perceptions (KAP) of Jordanian HCWs to the COVID-19 vaccine from February to March 2021, using a self-administered questionnaire validated by a panel of public health experts. A total of 364 Jordanian HCWs were included in the final analysis, in which women accounted for 48.8% of the total sample. HCWs subjected to the seasonal flu vaccine were significantly more likely to uptake the COVID-19 vaccine. In comparison to nurses, physicians were significantly more likely to take or register for the vaccine. They demonstrated significantly higher knowledge of the vaccine’s effectiveness, side effect profile, recommended doses, and target population. Among our participants, the most common reasons for vaccine hesitancy include a lack of confidence, inadequate knowledge, and disbelief in effectiveness. Vaccine hesitancy among Jordanian HCWs is low, with discrepancies between nurses and physicians. It is pertinent for independent committees and trusted authorities to provide interventions and raise awareness regarding the vaccine’s safety and efficacy.

Rural Identity as a Contributing Factor to Anti-Intellectualism in the U.S

Anti-intellectualism-a distrust of intellectuals and experts-has had a significant political presence in the U.S. and globally, especially in recent years. Anti-intellectualism drives support for phenomena such as populism, a rejection of scientific consensus, and health and science misinformation endorsement. Therefore, discovering what drives someone to be more anti-intellectual is highly important in understanding contemporary public opinion and political behavior. Here, I argue that a significant and overlooked factor contributing to anti-intellectualism is rural social identification-a psychological attachment to being from a rural area or small town-because rural identity in particular views experts and intellectuals as an out-group. Using 2019 ANES pilot data (N = 3000), original survey data (N = 811) and a separate original survey experiment, I find that rural social identification significantly predicts greater anti-intellectualism. Conversely, anti-intellectualism is not significantly associated with rural residency alone, as theoretically speaking, simply living in a rural area does not capture the affective dimension of rural psychological attachment. These findings have implications for health and science attitudes, populist support, and other relevant political matters. They also have implications for what it means to hold a rural identity beyond anti-urban sentiment, and for understanding the urban-rural divide.

SUPPLEMENTARY INFORMATION

The online version contains supplementary material available at 10.1007/s11109-022-09770-w.

Vax attacks: How conspiracy theory belief undermines vaccine support

As the world continues to respond to the spread of a novel coronavirus (SARS-CoV-2, which causes the disease commonly known as COVID-19), it has become clear that one of the most effective strategies for curbing the pandemic is the COVID-19 vaccine. However, a major challenge that health organizations face when advocating for the uptake of the COVID-19 vaccine is the spread of related misinformation and conspiracy theories. This study examines factors that influence vaccine hesitancy using two online survey samples, one convenience and one nationally representative, collected in the early summer of 2020 during the height of the second peak of coronavirus cases in the United States. Given extant literature on vaccine hesitancy and conspiracy belief, we expect that three factors-conspiracy theory belief, political identity, and anti-intellectualism-have served to reduce COVID-19 vaccination likelihood. Accordingly, across our two independent samples we find that anti-intellectualism, conspiratorial predispositions, and COVID-19 conspiracy theory belief are the strongest and most consistent predictors of COVID-19 vaccine hesitancy. Notably, we also find that partisanship and political ideology are inconsistently significant predictors of COVID-19 vaccine hesitancy once conspiracy theory beliefs, anti-intellectualism, and control variables are accounted for in the models. When political tendencies are significant, they demonstrate a relatively small substantive association with COVID-19 vaccine hesitancy. We discuss implications for ongoing mass vaccination efforts, continued widespread vaccine hesitancy, and related political attitudes.

"Until I Know It's Safe for Me": The Role of Timing in COVID-19 Vaccine Decision-Making and Vaccine Hesitancy

Managing the COVID-19 pandemic-and other communicable diseases-involves broad societal uptake of vaccines. As has been demonstrated, however, vaccine uptake is often uneven and incomplete across populations. This is a substantial challenge that must be addressed by public health efforts. To this point, significant research has focused on demographic and attitudinal correlates with vaccine hesitancy to understand uptake patterns. In this study, however, we advance understandings of individual decision-making processes involved in vaccine uptake through a mixed-methods investigation of the role of timing in COVID-19 vaccine choices. In the first step, a survey experiment, we find the timing of vaccine rollout (i.e., when a vaccine becomes available to the respondent) has a significant impact on public decision-making. Not only is there a higher level of acceptance when the vaccine becomes available at a later time, but delayed availability is correlated with both lower levels of 'desire to wait' and 'total rejection' of the vaccine. In a second step, we explore associated qualitative data, finding that temporal expressions (i.e., professing a desire to wait) can serve as a proxy for underlying non-temporal rationales, like concerns around safety, efficacy, personal situations, or altruism. By identifying these patterns, as well as the complexities of underlying factors, through a mixed-methods investigation, we can inform better vaccine-related policy and public messaging, as well as enhance our understanding of how individuals make decisions about vaccines in the context of COVID-19.

Past experiences with surprise medical bills drive issue knowledge, concern and attitudes toward federal policy intervention

Scholars and journalists have devoted considerable attention to understanding the circumstances in which Americans receive surprise medical bills. Previous research on this issue has focused on the scope of the problem, including the conditions that are most likely to lead to surprise bills. However, the existing literature has almost exclusively relied on claims data, limiting our understanding of consumer experiences and attitudes toward policy changes to address surprise billing. Using a survey administered to a nationally representative sample of 4998 Americans, we analyze consumer experiences with surprise billing, knowledge of the issue, how concerned Americans are about receiving surprise bills and how past experiences influence policy preferences toward federal action on surprise billing. Our analysis demonstrates that knowledge and concern about surprise billing are the highest among the educated and those who have previously received a surprise bill. These factors also predict support for federal policy action, with high levels of support for federal policy action across the population, including among both liberals and conservatives. However, more detailed federal policy proposals receive significantly less support among Americans, suggesting that stand-alone policy action may not be viable. Our results show bipartisan support among American consumers for federal action on surprise billing in the abstract but no consistent views on specific policy proposals.

Parental vaccine hesitancy: scope, causes, and potential responses

PURPOSE OF REVIEW

We reviewed the literature about parental vaccine hesitancy, focusing on publications from October 2019 to April 2021 to describe patterns and causes of hesitancy and interventions to address hesitancy.

RECENT FINDINGS

Recent studies expand understanding of the prevalence of vaccine hesitancy globally and highlight associated individual and contextual factors. Common concerns underlying hesitancy include uncertainty about the need for vaccination and questions about vaccine safety and efficacy. Sociodemographic factors associated with parental vaccine hesitancy vary across locations and contexts. Studies about psychology of hesitancy and how parents respond to interventions highlight the role of cognitive biases, personal values, and vaccination as a social contract or norm. Evidence-based strategies to address vaccine hesitancy include presumptive or announcement approaches to vaccine recommendations, motivational interviewing, and use of immunization delivery strategies like standing orders and reminder/recall programs. A smaller number of studies support use of social media and digital applications to improve vaccination intent. Strengthening school vaccine mandates can improve vaccination rates, but policy decisions must consider local context.

SUMMARY

Vaccine hesitancy remains a challenge for child health. Future work must include more interventional studies to address hesitancy and regular global surveillance of parental vaccine hesitancy and vaccine content on social media.

COVID-19 and Motivated Reasoning: The Influence of Knowledge on COVID-Related Policy and Health Behavior

Objective

The spread of misinformation about COVID-19 severely influences the governments' ability to address the COVID-19 pandemic. This study explores the predictors of accurate beliefs about COVID-19 and its influence on COVID-related policy and behavior.

Methods

Data from an original survey collected by Lucid in July 2020 are used. Ordinary Least Squares regression (OLS) is used to predict accurate beliefs about COVID-19. Ordered logistic regression models are estimated to examine the relationship between COVID-19 knowledge, policy preferences, and health behavior intentions.

Results

Ideology and education were found to have a positive effect on knowledge about COVID-19. Moreover, low levels of knowledge about COVID-19 were found to reduce support for mandatory vaccination policy and willingness to get a coronavirus vaccine when available.

Conclusion

These findings will help policymakers develop communication strategies for the public on the coronavirus vaccination.

Conspiracy beliefs and attitudes toward COVID-19 vaccinations

During the coronavirus pandemic, this study aimed to investigate the impact of conspiracy beliefs on Finnish attitudes toward vaccinations in general and COVID-19 vaccinations in particular. This study was a conceptual replication in Finland of a study by Pivetti et al. (2021) . Some 529 Finnish participants responded to a self-report questionnaire during the partial lockdown in Finland in spring 2020. The hypothesized relationships between variables of interest were integrated in a serial multiple mediation model via structural equation modelling. Results showed that endorsing general conspiracy beliefs directly predicted (1) general attitudes toward vaccines and (2) COVID-19 conspiracy beliefs, and indirectly predicted (3) attitudes toward COVID-19 vaccines via the serial mediation of COVID-19 conspiracy beliefs and general attitudes toward vaccines. As for the antecedents of beliefs in conspiracy theories, political orientation and moral purity predicted beliefs in COVID-19 conspiracy theories. Trust in science was inversely related to general conspiracy beliefs. As for the consequences of conspiracy beliefs, COVID-19 conspiracy beliefs directly predicted support for governmental restrictions (negatively) and the perception of informational contamination (positively).

COVID-19 vaccine acceptance: influential roles of political party and religiosity

Given recent declines in US vaccination rates and the emergence of COVID-19 vaccines, identifying sociodemographic influencers of vaccine willingness holds importance for developing effective public health campaigns aimed at enhancing nationwide COVID-19 vaccine acceptance. The present study utilized a hierarchical binary logistic regression model to assess demographic variables (age, gender, race/ethnicity, pre-existing medical conditions), political party membership, religious affiliation, level of religiosity, and fear of COVID-19 as predictors of COVID-19 vaccine acceptance ('Yes', would receive a vaccine or 'No', would not receive a vaccine) in a national sample of US adults (N = 249). Participants were recruited from Amazon's Mechanical Turk (MTurk) and completed several online questionnaires pertaining to mental health, health behaviors, and responses to the COVID-19 pandemic. Both Democratic party membership and decreased level of religiosity predicted acceptance of a COVID-19 vaccine. This investigation supports political party membership and religiosity as influencers of COVID-19 vaccine willingness and suggests that these variables could represent potential targets for public health interventions aimed at increasing vaccine adoption.

Immunization in health employees: Relationship of confidence and attitude

This is a cross-sectional online survey study performed to identify whether the health employees' confidence in the vaccine besides their confidence in the administrators about the vaccine had any effect on their attitudes toward the vaccine. The study was carried out on February 2021 with the participation of 402 health employees working in the pandemic hospitals. Approximately 33% of the participant health employees stated that they did not think of being vaccinated during the COVID-19 pandemic. Insufficient testing for the vaccines that are developed to fight against pandemics, having fear about their side effects, and finding them unreliable give rise to vaccine hesitancy in health employees. Besides, it was identified that the health employees' confidence in the vaccines and their confidence in the administrators about the vaccines affected their attitudes toward vaccination.

Physically distant but socially close? Changes in non-physical intergenerational contacts at the onset of the COVID-19 pandemic among older people in France, Italy and Spain

Physical distancing is intended to mitigate the spread of the SARS-CoV-2 virus. However, the impact of a decrease in face-to-face contacts on non-physical social contacts of older people remains unclear. In particular, we focus on intergenerational contacts that are especially relevant for older people's mental health. Our analyses rely on an online quota sampling survey conducted in France, Italy and Spain during April 14-24, 2020. We considered the subsample of individuals aged 50 + (N = 4207). We calculated post-stratification weights based on official statistics and used logistic regressions to analyze how changes in intergenerational contacts differed by socioeconomic factors and to what extent non-physical contacts (via phone, social media, etc.) have compensated the reduction in face-to-face contacts. Finally, the change in digital devices' use has been explored as a consequence of both decreased physical intergenerational contacts (PIC) and increased non-physical intergenerational contacts (NPIC). We found that about 50% of older people have increased their NPIC during the first lockdown. Younger individuals, those with medium level of education, and those economically better off displayed higher probabilities of increased NPIC as compared to their counterparts. NPIC increased especially for individuals whose face-to-face contacts decreased, particularly so if this happened with respect to contacts with children. A large share of older people has increased their use of video calls and instant messages, while only some increased the use of social media. These findings are relevant to understand how intergenerational contacts changed during the pandemic and may be central to better plan future outbreak responses.

SUPPLEMENTARY INFORMATION

The online version contains supplementary material available at 10.1007/s10433-021-00621-x.

Will Healthcare Workers Accept a COVID-19 Vaccine When It Becomes Available? A Cross-Sectional Study in China

Objective: The Coronavirus disease 2019 (COVID-19) vaccine is currently available. This timely survey was conducted to provide insight into on the willingness of healthcare workers (HCWs)to receive the vaccine and determine the influencing factors.

Methods: This was a cross-sectional online survey. An online questionnaire was provided to all participants and they were asked if they would accept a free vaccine. The questionnaire gathered general demographic information, and included the General Health Questionnaire (GHQ-12); Myers-Briggs Type Indicator questionnaire (MBTI); Depression, Anxiety, and Stress Scales (DASS-21); and the 12-item Short Form Health Survey (SF-12). The data were collected automatically and electronically. Univariate analysis was done between all the variables and our dependent variable. Multivariable logistic regression models were employed to examine and identify the associations between the acceptance of the COVID-19 vaccine with the associated variables.

Results: We collected 505 complete answers. The participants included 269 nurses (53.27%), 206 clinicians (40.79%), 15 administrative staff (2.97%), and 15 other staff (2.97%). Of these, 76.63% declared they would accept the vaccine. The major barriers were concerns about safety, effectiveness, and the rapid mutation in the virus. Moreover, four factors were significantly associated with the willingness to receive the vaccine: (a) “understanding of the vaccine” (odds ratio (OR):2.322; 95% confidence interval [CI]: 1.355 to 3.979); (b) “worried about experiencing COVID-19” (OR 1.987; 95% CI: 1.197–3.298); (c) “flu vaccination in 2020” (OR 4.730; 95% CI: 2.285 to 9.794); and (d) “living with elderly individuals” (OR 1.928; 95% CI: 1.074–3.462).

Conclusions: During the vaccination period, there was still hesitation in receiving the vaccine. The results will provide a rationale for the design of future vaccination campaigns and education efforts concerning the vaccine.

Links between conspiracy beliefs, vaccine knowledge, and trust: Anti-vaccine behavior of Serbian adults

RATIONALE

Immunization is a critical tool in the fight against infectious disease epidemics. Understanding hesitancy towards immunization is even more important nowadays, with the continuous threat of COVID-19 pandemic. Medical conspiracy beliefs, scientific skepticism, as well as low trust in governmental institutions, and evidence-based knowledge all have troubling effects on immunization.

OBJECTIVE

To examine how these factors cross-react to influence vaccine behavior against any vaccine preventable disease (VPD), we hypothesized a model consisting of the belief in conspiracy theories as the predictor, and as the mediators subjective and objective vaccine knowledge, and trust in the health care system and science. The model was tested by examining the vaccine intentions for the children and self for any VPD.

METHODS

Two separate studies were conducted on the representative samples of Serbian population; the first study investigated the intentions for child vaccination and the second study examined the vaccine intentions against any VPD, including adult vaccination. We used path analysis followed by logistic regression to analyze the data.

RESULTS

The results revealed high vaccine hesitancy motivated by the belief in the vaccine conspiracy theories, through its effect on reduced trust in medical science and institutions, and low objective vaccine knowledge.

CONCLUSIONS

The results of this study may be used to implement appropriate policy changes and implementation of the public health campaigns to promote immunization with a wide range of vaccines against common diseases, such as measles, human papillomaviruses, or pertussis, and novel diseases, such as COVID.

Unwillingness to engage in behaviors that protect against COVID-19: the role of conspiracy beliefs, trust, and endorsement of complementary and alternative medicine

BACKGROUND

We investigated if people's response to the official recommendations during the COVID-19 pandemic is associated with conspiracy beliefs related to COVID-19, a distrust in the sources providing information on COVID-19, and an endorsement of complementary and alternative medicine (CAM).

METHODS

The sample consisted of 1325 Finnish adults who filled out an online survey marketed on Facebook. Structural regression analysis was used to investigate whether: 1) conspiracy beliefs, a distrust in information sources, and endorsement of CAM predict people's response to the non-pharmaceutical interventions (NPIs) implemented by the government during the COVID-19 pandemic, and 2) conspiracy beliefs, a distrust in information sources, and endorsement of CAM are related to people's willingness to take a COVID-19 vaccine.

RESULTS

Individuals with more conspiracy beliefs and a lower trust in information sources were less likely to have a positive response to the NPIs. Individuals with less trust in information sources and more endorsement of CAM were more unwilling to take a COVID-19 vaccine. Distrust in information sources was the strongest and most consistent predictor in all models. Our analyses also revealed that some of the people who respond negatively to the NPIs also have a lower likelihood to take the vaccine. This association was partly related to a lower trust in information sources.

CONCLUSIONS

Distrusting the establishment to provide accurate information, believing in conspiracy theories, and endorsing treatments and substances that are not part of conventional medicine, are all associated with a more negative response to the official guidelines during COVID-19. How people respond to the guidelines, however, is more strongly and consistently related to the degree of trust they feel in the information sources, than to their tendency to hold conspiracy beliefs or endorse CAM. These findings highlight the need for governments and health authorities to create communication strategies that build public trust.

Conspiracy Beliefs and Acceptance of COVID-Vaccine: An Exploratory Study in Italy

The availability of vaccines does not mean that people will be willing to get vaccinated. For example, different conspiracy beliefs on the adverse effects of vaccines may lead people to avoid collective health measures. This paper explores the role played by antecedents of COVID-related conspiracy beliefs, such as the role of political ideology and the endorsement of moral purity values, and the consequences of COVID-related conspiracy beliefs in terms of the acceptance of a COVID vaccine (when available) via structural equation modelling (SEM). A sample of 590 Italian participants filled in a questionnaire implemented using the Qualtrics.com platform, during the first Italian lockdown in April–May 2020. Results showed that endorsing purity values predicted stronger negative attitude towards COVID-vaccines. Moreover, conspiracy beliefs negatively predicted general attitudes toward vaccines. Faith in science negatively predicted general and COVID-related conspiracy beliefs, with those believing more in science also less endorsing general and COVID-related conspiracy beliefs. The attitudes towards the vaccines mediated the relationship between COVID-related conspiracy beliefs and attitudes towards COVID vaccine.

Media usage predicts intention to be vaccinated against SARS-CoV-2 in the US and the UK

There is existing evidence of a relationship between media use and vaccine hesitancy. Four online questionnaires were completed by general population samples from the US and the UK in June 2020 (N = 1198, N = 3890, N = 1663, N = 2237). After controls, all four studies found a positive association between intention to be vaccinated and usage of broadcast and print media. The three studies which operationalised media usage in terms of frequency found no effect for social media. However, the study which operationalised media use in terms of informational reliance found a negative effect for social media. Youth, low household income, female gender, below degree-level of education, and membership of other than white ethnic groups were each also found to be associated with lower intentions to be vaccinated in at least two of the four studies. In all four studies, intention to be vaccinated was positively associated with having voted either for Hillary Clinton in the 2016 US presidential elections or for Labour Party candidates in the 2019 UK general election. Neither of the UK studies found an association with having voted for Conservative Party candidates, but both US studies found a negative association between intention to be vaccinated and having voted for Donald Trump. The consistent finding of greater intention to be vaccinated among users of legacy media but not among users of social media suggests that social media do not currently provide an adequate replacement for legacy media, at least in terms of public health communication. The finding of a negative association with social media in the study which measured informational reliance rather than frequency is consistent with the view that uncritical consumption of social media may be acting to promote vaccine hesitancy.

Can a COVID-19 vaccine live up to Americans' expectations? A conjoint analysis of how vaccine characteristics influence vaccination intentions

OBJECTIVE

A vaccine for the novel coronavirus (COVID-19) could prove critical in establishing herd immunity. While past work has documented the prevalence and correlates of vaccine refusal, I assess how a less explored topic -- properties of vaccines themselves (e.g., national origin, efficacy, risk of side effects) -- might influence vaccination intentions. This information can help public health officials preempt differential intentions to vaccinate, and inform health communication campaigns that encourage vaccine uptake.

RATIONALE

Previous research suggests that Americans should be more likely to intend to vaccinate if presented with a US-made vaccine that carries a low risk of minor side effects, is highly effective, is administered in just one dose, and has spent significant time in development.

METHODS

I administered a conjoint experiment (N = 5940 trials) in a demographically representative survey (N = 990) of US adults to assess how variation in vaccine properties influence self-reported public vaccination intentions.

RESULTS

I find that respondents prefer vaccines that are US-made, over 90% effective, and carry a less than 1% risk of minor side effects. This is potentially problematic, as some leading vaccine candidates are produced outside the US, and/or may be more likely to produce minor side effects than respondents would otherwise prefer. Worryingly, intended vaccine refusal rates exceed 30% for a vaccine meeting these optimal characteristics. Encouragingly, though, Americans show no clear preference for vaccines administered in one dose, or developed in under a year, and do not appear to draw a distinction between weakened viral vs. mRNA-based vaccines.

CONCLUSION

Americans' preferences for a novel coronavirus vaccine may be at odds with the vaccine that ultimately hits the market, posing both policy and health communication challenges for vaccination uptake.

The Dizziness of Freedom: Understanding and Responding to Vaccine Anxieties

The rise in vaccine hesitancy in high-income countries has led some to recommend that certain vaccinations be made compulsory in states where they are currently voluntary. In contrast, I contend that legal coercion is generally inappropriate to address the complex social and psychological phenomenon of vaccine anxieties.

Chinese Vaccine Providers' Perspectives on the HPV Vaccine

China approved a human papillomavirus (HPV) vaccine in 2018. Recommendations from health care providers can positively impact vaccine receipt. This study characterized vaccine providers’ attitudes toward the HPV vaccine and contrasted attitudes by the providers’ demographic characteristics. In total, 120 vaccine providers in Shanghai, China, completed a questionnaire. Associations between essential characteristics of the HPV vaccine and providers’ urbanicity and working length were explored using the Kruskal-Wallis test. Doctors with ≤5 years’ work experience were more likely to think it important to emphasize that HPV is a sexually transmitted disease compared to doctors with longer work experiences (P = .0231). More suburban than urban providers thought that China should include the HPV vaccine into the publicly funded Expanded Program on Immunization (P = .0315). Differences in attitudes toward HPV could lead to variation in how providers talk to parents and adolescents about the HPV vaccine, with disparities in vaccine uptake as a result.

Burden and Prevention of HPV. Knowledge, Practices and Attitude Assessment Among Pre-Adolescents and their Parents in Italy

Despite infections due to HPV nowadays represent the most common sexually transmitted diseases worldwide with recognized effective and safe preventive strategies, knowledge, attitudes; however, awareness on HPV is considerably low. The present study has two main objectives: 1. To conduct a literature review to analyze the evolution of preventive tools, the complexity of the vaccine choice process, and the challenges posed by HPV vaccine hesitancy and refusal among pre-adolescents and their parents; 2. To assess knowledge, practices and attitudes toward HPV infection and vaccination in a sample of Italian pre-adolescents and their parents. The observational study was carried out through the use of two anonymous and self-administered pre- and post-intervention questionnaires dedicated to the target populations. Between the administrations of the pre- and post-intervention questionnaires, an educational intervention on HPV infection and related diseases, and prevention strategies was conducted. All participants demonstrated suboptimal knowledge and positive attitudes in the pre-intervention questionnaire. Higher levels of knowledge and attitudes were observed among pre-adolescents thatused social networks and had heard of sexually transmitted diseases at home/school/physician and from parents and also who had heard of HPV from General Practitioners, Gynecologists, family members and newspapers. A significant increase in HPV vaccination awareness was observed among pre-adolescents after the educational sessions. Health education programs aimed at increasing knowledge, attitudes and awareness on HPV are needed to implement the outcomes of HPV immunization programs, especially if supported by the physicians involved in counselling and recommendation processes.