Vaccinations in Older Adults: Focus on Pneumococcal, Influenza and Herpes zoster infections

Public awareness, attitudes, beliefs, and behaviors regarding the role of pharmacists as immunizers

Vaccine coverage is below desired levels in Canada, despite National Advisory Committee on Immunization recommendations. One solution to improve coverage is to offer vaccines in pharmacies. We explore the awareness, attitudes, beliefs, and behaviors of the general public in four communities in Nova Scotia (NS) and New Brunswick (NB) about the changing role of pharmacists as immunizers. Adult members of the public were invited to complete an online survey through advertisements in print and online, and through e-mail lists at local universities. Immunization status among participants (n = 985) varied across vaccines with slightly more than one-half of the participants (51.8%) reporting receipt of a seasonal influenza vaccine last year, 38.0% reporting receipt of the meningococcal C or ACWY vaccine, and 77.7% reporting receipt of the pertussis vaccine. Despite variable self-reported receipt of vaccines, the pervasive belief that participants were not at risk of getting vaccine-preventable diseases, and a lack of awareness about which vaccines are recommended for adults, participants in this study held vaccine-positive beliefs. Participants, especially those who had previously been vaccinated in a pharmacy (39.0%), were supportive of the inclusion of pharmacists as immunizers although nearly one-half of the participants would feel more comfortable getting vaccinated by a pharmacist if another practitioner recommended it to them. While cost threatens to be a barrier to pharmacists as immunizers, this study suggests that they are well-positioned to improve vaccine coverage and to communicate recommendations and other vaccine-related information to the public.

Food Insecurity and Influenza and Pneumonia Vaccines Uptake Among Community-Dwelling Older Adults in the United States

Influenza and pneumonia vaccines can reduce morbidities and mortality associated with infectious diseases among older adults. Food security, good nutrition, and high-quality diets are critical for the wellbeing of older adults. However, little is known about the relationship between food insecurity and use of preventive health services, such as influenza and pneumonia vaccinations, among older adults. In this study, we analyzed data on 40,555 adults aged ≥ 65 years from the 2014-2018 National Health Interview Survey in the United States. Through multiple hierarchical logistic regression models, we investigated the associations between food insecurity and influenza and pneumonia vaccines uptake in this population. We found that, during 2014-2018, about 12.6 million (5.3%) adults aged ≥ 65 years lived in food-insecure households in the United States. Of those, 60.6% reported getting an influenza vaccine in the past 12 months, and 54.2% reported ever getting a pneumonia vaccine. Compared to food-secure older adults, food-insecure individuals were not significantly different in terms of influenza vaccine uptake. However, they were 25% less likely to have ever gotten a pneumonia vaccine (adjusted odds ratio = 0.75, 95% CI 0.65-0.86, P < .001). Efforts should be made to develop strategies to improve immunization rates among food-insecure older adults. Healthcare providers could routinely assess their vaccination status and screen them for food insecurity. Also, community level screening and intervention programs should target food-insecure older adults, who often face structural disadvantages. Future studies could explore and identify the underlying predictive factors contributing to low pneumonia vaccination rates among food-insecure older adults.

Routine immunization of adults by pharmacists: Attitudes and beliefs of the Canadian public and health care providers

Vaccine coverage among adults for recommended vaccines is generally low. In Canada and the US, pharmacists are increasingly becoming involved in the administration of vaccines to adults. This study measured the knowledge, attitudes, beliefs, and behaviors of Canadian adults and health care providers regarding pharmacists as immunizers. Geographically representative samples of Canadian adults (n = 4023) and health care providers (n = 1167) were surveyed, and 8 focus groups each were conducted nationwide with adults and health care providers. Provision of vaccines by pharmacists was supported by 64.6% of the public, 82.3% of pharmacists, 57.4% of nurses, and 38.9% of physicians; 45.7% of physicians opposed pharmacist-delivered vaccination. Pharmacists were considered a trusted source of vaccination information by 75.0% of the public, exceeding public health officials (68.3%) and exceeded only by doctors and nurses (89.2%). Public concerns about vaccination in pharmacies centered on safety (management of adverse events), record keeping (ensuring their family physician was informed), and cost (should be no more expensive than vaccination at public health or physicians' offices). Concerns about the logistics of vaccination delivery were expressed more frequently in regions where pharmacists were not yet immunizing than in jurisdictions with existing pharmacist vaccination programs. These results suggest that the expansion of pharmacists' scope of practice to include delivery of adult vaccinations is generally accepted by Canadian health care providers and the public. Acceptance of this expanded scope of pharmacist practice may contribute to improvements in vaccine coverage rates by improving vaccine accessibility.