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Takahashi K, Manabe O, Shizukuishi K, Shibata H, Kawakami H, Otsuka A, Oyama-Manabe N. Examination of iatrogenic FDG accumulation after COVID-19 vaccination. Ann Nucl Med 2024; 38:409-417. [PMID: 38563890 DOI: 10.1007/s12149-024-01909-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 01/23/2024] [Indexed: 04/04/2024]
Abstract
PURPOSE This study aimed to investigate the frequency of COVID-19 vaccine-induced reactive change and potential factors including blood type correlated with increased FDG uptake on positron emission tomography (PET)/computed tomography (CT). MATERIALS AND METHODS We evaluated 284 patients who underwent PET/CT between June and September 2021 and had a known history of COVID-19 vaccination. Information on the injection site, vaccine type, and adverse reactions was obtained. We visually assessed the presence or absence of accumulation in the axillary and supraclavicular lymph nodes and the deltoid muscles. We measured the maximum standardized uptake value (SUVmax) using semi-quantitative analysis. RESULTS Our study included 158 males and 126 females aged 16-94. The median time between vaccination and PET/CT was 9 and 42 days for patients who had received their first and second doses, respectively. We observed axillary lymph node accumulation, supraclavicular lymph node accumulation, and deltoid muscle accumulation in 98 (SUVmax 1.07-25.1), nine (SUVmax 2.28-14.5), and 33 cases (SUVmax 0.93-7.42), respectively. In cases with axillary lymph node (P = 0.0057) or deltoid muscle (P = 0.047) accumulation, the shorter the time since vaccination, the higher the FDG accumulation. Patients with axillary lymph node accumulation were significantly younger (P < 0.0001) and had a significantly higher frequency of adverse reactions such as fever (P < 0.0001) and myalgia (P = 0.002). No significant relationship was observed between blood type and the frequency of FDG accumulation. Logistic regression analysis also showed that age, gender, days since vaccination, and adverse reactions such as fever and myalgia were important factors for axillary lymph node accumulation. CONCLUSION Our study found that FDG accumulation in the axillary lymph nodes and deltoid muscle was higher within a shorter time after vaccination, and axillary lymph node accumulation was higher in young patients, females, and those with adverse reactions of fever and myalgia. No significant relationship was observed between blood type and the frequency of FDG accumulation. Confirming the vaccination status, time since vaccination, and the presence of adverse reactions before PET may reduce false positives.
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Affiliation(s)
- Keiko Takahashi
- Department of Radiology, Jichi Medical University Saitama Medical Center, 1-847 Amanuma-cho, Omiya-ku, Saitama, 330-8503, Japan
- Department of Radiology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan
| | - Osamu Manabe
- Department of Radiology, Jichi Medical University Saitama Medical Center, 1-847 Amanuma-cho, Omiya-ku, Saitama, 330-8503, Japan.
| | | | | | - Hiroki Kawakami
- Central Division of Radiology, Jichi Medical University Saitama Medical Center, Saitama, Japan
| | - Akira Otsuka
- Central Division of Radiology, Jichi Medical University Saitama Medical Center, Saitama, Japan
| | - Noriko Oyama-Manabe
- Department of Radiology, Jichi Medical University Saitama Medical Center, 1-847 Amanuma-cho, Omiya-ku, Saitama, 330-8503, Japan
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Al Bshabshe A, Alqahtani M, Amer KA, Al-Jahash NA, Thwab AS, Alshahrani FS, Saad Aldarani Alshahrani A, Asiri OA, Abughazalah FN, Khuzayyim AAA, Altumaihi F, Khawaji T, Algaide A, Almontasheri M. The Relationship of ABO and Rh Blood Group Types With Severe COVID-19 Disease Mortality in ICU Patients: Insights From a Single-Center Experience in Southern Saudi Arabia. Cureus 2023; 15:e50935. [PMID: 38249239 PMCID: PMC10800029 DOI: 10.7759/cureus.50935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/21/2023] [Indexed: 01/23/2024] Open
Abstract
Introduction The global COVID-19 pandemic has triggered an unprecedented public health crisis, emphasizing the need to understand factors influencing disease outcomes. This study explores the role of genetic variations in blood group antigens, particularly ABO and RhD, in shaping mortality rates among critically ill COVID-19 patients in the southern region of Saudi Arabia. Methods Utilizing a retrospective, noninterventional approach, we analyzed medical records of 594 COVID-19 patients admitted to the intensive care unit (ICU) at Aseer Central Hospital from August 2020 to April 2021. The cohort, with a mean age of 60.5 years, consisted of a predominantly male population. Results The study encompassed a diverse age range of 18 to 103 years, with a mean age of 60.5 ± 17.3 years. Of the 594 patients, 398 (67%) were male, and only 5 (0.8%) had a history of smoking. Blood group distribution revealed 275 (48.4%) with O-, 189 (33.3%) with A+, and 51 (9%) with AB- types. Predominant chronic conditions included diabetes mellitus (35.5%). Tragically, 320 patients (54.6%) experienced mortality, with a 100% mortality rate for the B+ blood group and 92.9% for O- blood group. Conclusion This analysis establishes significant statistical links, underscoring the pivotal role of blood type, particularly the Rh factor, in influencing mortality risk among critically ill COVID-19 patients. These findings contribute valuable insights into risk stratification and personalized care for severe cases, emphasizing the importance of genetic considerations in understanding disease outcomes.
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Affiliation(s)
| | - Mushary Alqahtani
- Internal Medicine, Armed Forces Hospitals Southern Region, Khamis Mushait, SAU
| | - Khaled A Amer
- Medicine and Surgery, King Khalid University, Abha, SAU
| | | | | | | | | | | | | | | | | | - Turki Khawaji
- Intensive Care Unit, King Fahad General Hospital, Jeddah, SAU
| | - Ayman Algaide
- Intensive Care Unit, King Fahad General Hospital, Jeddah, SAU
| | - Moyed Almontasheri
- Internal Medicine, Armed Forces Hospitals Southern Region, Khamis Mushait, SAU
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Soriano JB, Peláez A, Busquets X, Rodrigo-García M, Pérez-Urría EÁ, Alonso T, Girón R, Valenzuela C, Marcos C, García-Castillo E, Ancochea J. ABO blood group as a determinant of COVID-19 and Long COVID: An observational, longitudinal, large study. PLoS One 2023; 18:e0286769. [PMID: 37267401 DOI: 10.1371/journal.pone.0286769] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 05/23/2023] [Indexed: 06/04/2023] Open
Abstract
BACKGROUND An association of ABO blood group and COVID-19 remains controversial. METHODS Following STROBE guidance for observational research, we explored the distribution of ABO blood group in patients hospitalized for acute COVID-19 and in those with Long COVID. Contingency tables were made and risk factors were explored using crude and adjusted Mantle-Haentzel odds ratios (OR and 95% CI). RESULTS Up to September 2022, there were a total of 5,832 acute COVID-19 hospitalizations in our hospital, corresponding to 5,503 individual patients, of whom blood group determination was available for 1,513 (27.5%). Their distribution by ABO was: 653 (43.2%) group 0, 690 (45.6%) A, 113 (7.5%) B, and 57 (3.8%) AB, which corresponds to the expected frequencies in the general population. In parallel, of 676 patients with Long COVID, blood group determination was available for 135 (20.0%). Their distribution was: 60 (44.4%) from group 0, 61 (45.2%) A, 9 (6.7%) B, and 5 (3.7%) AB. The distribution of the ABO system of Long COVID patients did not show significant differences with respect to that of the total group (p ≥ 0.843). In a multivariate analysis adjusting for age, sex, ethnicity, and severity of acute COVID-19 infection, subgroups A, AB, and B were not significantly associated with developing Long COVID with an OR of 1.015 [0.669-1.541], 1.327 [0.490-3.594] and 0.965 [0.453-2.058], respectively. The effect of the Rh+ factor was also not significant 1,423 [0.772-2,622] regarding Long COVID. CONCLUSIONS No association of any ABO blood subgroup with COVID-19 or developing Long COVID was identified.
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Affiliation(s)
- Joan B Soriano
- Servicio de Neumología, Hospital Universitario de la Princesa, Madrid, Spain
- Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Adrián Peláez
- Servicio de Neumología, Hospital Universitario de la Princesa, Madrid, Spain
- Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Xavier Busquets
- Laboratory of Molecular Cell Biomedicine, University of the Balearic Islands, Palma, Spain
| | | | - Elena Ávalos Pérez-Urría
- Servicio de Neumología, Hospital Universitario de la Princesa, Madrid, Spain
- Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Tamara Alonso
- Servicio de Neumología, Hospital Universitario de la Princesa, Madrid, Spain
- Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Rosa Girón
- Servicio de Neumología, Hospital Universitario de la Princesa, Madrid, Spain
- Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Claudia Valenzuela
- Servicio de Neumología, Hospital Universitario de la Princesa, Madrid, Spain
- Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Celeste Marcos
- Servicio de Neumología, Hospital Universitario de la Princesa, Madrid, Spain
- Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Elena García-Castillo
- Servicio de Neumología, Hospital Universitario de la Princesa, Madrid, Spain
- Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Julio Ancochea
- Servicio de Neumología, Hospital Universitario de la Princesa, Madrid, Spain
- Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
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Abuawwad MT, Taha MJJ, Abu-Ismail L, Alrubasy WA, Sameer SK, Abuawwad IT, Al-Bustanji Y, Nashwan AJ. Effects of ABO blood groups and RH-factor on COVID-19 transmission, course and outcome: A review. Front Med (Lausanne) 2023; 9:1045060. [PMID: 36714134 PMCID: PMC9878296 DOI: 10.3389/fmed.2022.1045060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 12/20/2022] [Indexed: 01/14/2023] Open
Abstract
ABO and Rh blood grouping systems are two of the non-modifiable risk factors that play an important role in the susceptibility, severity and outcomes of COVID-19 infection. This review explores these associations all over the world, in an attempt to conclude a clear idea for future reference in clinical practice. In the present review, a link has been drawn between blood groups and COVID-19 transmission, course and prognosis, as literature suggests that blood group O plays a protective role against the infection, while blood group A exhibits a higher risk of exacerbation. In contrast with Rh negative individuals, Rh positive individuals are prone to more severe infection and complications, despite the fact that the underlying mechanisms of this association remain understudied. Nevertheless, the connection remains subject to controversy; since some studies report doubts about it. Thus, this association requires further investigation.
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Affiliation(s)
- Mohammad T. Abuawwad
- Department of Clinical Medicine, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Mohammad J. J. Taha
- Department of Clinical Medicine, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Luai Abu-Ismail
- Department of Ophthalmology, Islamic Hospital, Amman, Jordan
| | - Warda A. Alrubasy
- Department of Clinical Medicine, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Shams Khalid Sameer
- Department of Clinical Medicine, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Ibrahim T. Abuawwad
- Department of Clinical Medicine, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Yaqeen Al-Bustanji
- Department of Clinical Medical, School of Medicine, University of Jordan, Amman, Jordan
| | - Abdulqadir J. Nashwan
- Department of Nursing, Hamad Medical Corporation, Doha, Qatar,*Correspondence: Abdulqadir J. Nashwan ✉
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Cipriano M, Ruberti E, Tovani-Palone MR. Combined use of lactoferrin and vitamin D as a preventive and therapeutic supplement for SARS-CoV-2 infection: Current evidence. World J Clin Cases 2022; 10:11665-11670. [PMID: 36405280 PMCID: PMC9669848 DOI: 10.12998/wjcc.v10.i32.11665] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 07/10/2022] [Accepted: 08/30/2022] [Indexed: 02/05/2023] Open
Abstract
Lactoferrin is a multifunctional protein that exhibits anti-inflammatory, immune regulating and anti-infective properties. One of its receptor sites is located on severe acute respiratory syndrome coronavirus 2. The binding of lactoferrin with heparin sulfate proteoglycans may prevent the first contact between the virus and host cells, thus preventing subsequent infection. Given that lactoferrin may act as a natural mucosal barrier, an intranasal treatment together with its oral intake can be hypothesized to prevent the spread, infection and inflammation caused by coronavirus disease 2019 (COVID-19). Moreover, the literature reports that vitamin D plays an essential role in promoting immune response. With its anti-inflammatory and immunoregulatory properties, vitamin D is critical for activating the immune system’s defenses, improving immune cell function. Different studies also demonstrate that lactoferrin is a potential activator of the vitamin D receptor. In this sense, the combined use of lactoferrin (through an association of oral intake and a nasal spray formulation) and vitamin D could represent a valuable therapy for COVID-19 treatment and prevention. However, further randomized clinical trials are needed before recommending/prescribing them.
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Affiliation(s)
- Massimiliano Cipriano
- Department of Laparoscopic Surgery, Umberto I General Hospital, Medical School Sapienza University, Rome 161, Italy
| | - Enzo Ruberti
- Department of Human Neuroscience, Sapienza University of Rome, Rome 00185, Italy
| | - Marcos Roberto Tovani-Palone
- Department of Research Analytics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai 600 077, India
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Hussein AD, Bakr EA, Al-Jumaili MHA. Association between ABO blood groups and the risk of infection with SARS-CoV-2 in Iraq. J Int Med Res 2022; 50:3000605221133147. [PMID: 36329597 PMCID: PMC9638682 DOI: 10.1177/03000605221133147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Objective The primary goals of this research were to analyze the relationship between
ABO blood types and the severity of severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) infection and investigate the effect of
vaccination in Iraq. Methods Data and outcomes were gathered from the medical records of 200 patients.
Patients were categorized by blood group and vaccination status in the
analysis. Results In total, 200 hospitalized patients (125 men and 75 women) with confirmed
SARS-CoV-2 infection and blood group (ABO) and clinical data were enrolled.
Of the 200 patients, 155 (77.5%) were vaccinated against SARS-CoV-2. The
results illustrated that 25 patients died, which might have been
attributable to a lack of vaccination or older age. Our analysis revealed
that blood group O individuals were much less likely to be infected by
SARS-CoV-2 than non-O subjects, whereas blood group A individuals carried a
higher risk of infection. Conclusions Our findings illustrated that immunization significantly reduces COVID-19
risk across all age groups, but there has been an increase in the number of
cases because of decreased vaccine efficacy in older patients and persons
with comorbidities. However, 45% vaccination coverage lowered the outbreak’s
peak.
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Affiliation(s)
- Abdulhakeem D Hussein
- Department of Applied Chemistry, College of Applied Science, University of Fallujah, Al-Anbar, Iraq
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Aouissi HA, Kechebar MSA, Ababsa M, Roufayel R, Neji B, Petrisor AI, Hamimes A, Epelboin L, Ohmagari N. The Importance of Behavioral and Native Factors on COVID-19 Infection and Severity: Insights from a Preliminary Cross-Sectional Study. Healthcare (Basel) 2022; 10:healthcare10071341. [PMID: 35885867 PMCID: PMC9323463 DOI: 10.3390/healthcare10071341] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/13/2022] [Accepted: 07/15/2022] [Indexed: 12/12/2022] Open
Abstract
The COVID-19 pandemic has had a major impact on a global scale. Understanding the innate and lifestyle-related factors influencing the rate and severity of COVID-19 is important for making evidence-based recommendations. This cross-sectional study aims at establishing a potential relationship between human characteristics and vulnerability/resistance to SARS-CoV-2. We hypothesize that the impact of the virus is not the same due to cultural and ethnic differences. A cross-sectional study was performed using an online questionnaire. The methodology included the development of a multi-language survey, expert evaluation, and data analysis. Data were collected using a 13-item pre-tested questionnaire based on a literature review between 9 December 2020 and 21 July 2021. Data were statistically analyzed using logistic regression. For a total of 1125 respondents, 332 (29.5%) were COVID-19 positive; among them, 130 (11.5%) required home-based treatment, and 14 (1.2%) intensive care. The significant and most influential factors on infection included age, physical activity, and health status (p < 0.05), i.e., better physical activity and better health status significantly reduced the possibility of infection, while older age significantly increased it. The severity of infection was negatively associated with the acceptance (adherence and respect) of preventive measures and positively associated with tobacco (p < 0.05), i.e., smoking regularly significantly increases the severity of COVID-19 infection. This suggests the importance of behavioral factors compared to innate ones. Apparently, individual behavior is mainly responsible for the spread of the virus. Therefore, adopting a healthy lifestyle and scrupulously observing preventive measures, including vaccination, would greatly limit the probability of infection and prevent the development of severe COVID-19.
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Affiliation(s)
- Hani Amir Aouissi
- Scientific and Technical Research Center on Arid Regions (CRSTRA), Biskra 07000, Algeria; (M.S.A.K.); (M.A.)
- Laboratoire de Recherche et d’Etude en Aménagement et Urbanisme (LREAU), Université des Sciences et de la Technologie (USTHB), Algiers 16000, Algeria
- Environmental Research Center (CRE), Badji-Mokhtar Annaba University, Annaba 23000, Algeria
- Correspondence: (H.A.A.); (R.R.); Tel.: +21-3662387144 (H.A.A.)
| | - Mohamed Seif Allah Kechebar
- Scientific and Technical Research Center on Arid Regions (CRSTRA), Biskra 07000, Algeria; (M.S.A.K.); (M.A.)
| | - Mostefa Ababsa
- Scientific and Technical Research Center on Arid Regions (CRSTRA), Biskra 07000, Algeria; (M.S.A.K.); (M.A.)
| | - Rabih Roufayel
- College of Engineering and Technology, American University of the Middle East, Kuwait;
- Correspondence: (H.A.A.); (R.R.); Tel.: +21-3662387144 (H.A.A.)
| | - Bilel Neji
- College of Engineering and Technology, American University of the Middle East, Kuwait;
| | - Alexandru-Ionut Petrisor
- Doctoral School of Urban Planning, Ion Mincu University of Architecture and Urbanism, 010014 Bucharest, Romania;
- National Institute for Research and Development in Tourism, 50741 Bucharest, Romania
- National Institute for Research and Development in Constructions, Urbanism and Sustainable Spatial Development URBAN-INCERC, 021652 Bucharest, Romania
| | - Ahmed Hamimes
- Faculty of Medicine, University Salah Boubnider of Constantine 3, Constantine 25000, Algeria;
| | - Loïc Epelboin
- Infectious and Tropical Diseases Department, Centre Hospitalier de Cayenne Andrée Rosemon, 97306 Cayenne, France;
- Centre d’Investigation Clinique (CIC INSERM 1424), Centre Hospitalier de Cayenne Andrée Rosemon, 97306 Cayenne, France
| | - Norio Ohmagari
- Disease Control and Prevention Center, National Center for Global Health and Medicine, Tokyo 162-8655, Japan;
- AMR Clinical Reference Center, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
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A Pilot Study on COVID-19 Positive Subjects: An Excerpt of Post-Infection-Pro-Diabetic Disposition & Related Consequences in Correlation to Hepato-Pancreatic Bio-Markers, Pro-Inflammatory Cytokines and Other Risk Factors. Indian J Clin Biochem 2022; 38:182-192. [PMID: 35756691 PMCID: PMC9206463 DOI: 10.1007/s12291-022-01054-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 05/18/2022] [Indexed: 01/08/2023]
Abstract
COVID-19, a global pandemic that led to increased morbidity and mortality worldwide since its outcome at the end of the year 2019. A newly discovered variant of severe acute respiratory distress syndrome coronavirus-2 (SARS-CoV-2) was the arbitrator for spreading the syndrome by droplet transmission causing multi-organ failure in many occasions. A post-infection-pro-diabetic disposition was found evident in this study with the persistence of hepato-pancreatic aberrations in respect of reference range of tissue specific bio-markers in hospital admitted COVID-19 cases. The results of this study show that hyperglycemia is a risk factor in precipitating disease oriented complications to the patients with COVID-19 disease. A post-infection follow- up on glycemic-index and related complexities is a vital need to the COVID-19 infected convalescent subjects. Implementation of guidelines on social measure and awareness of anti-viral interventions may be the only way to prevent COVID-19 transmission.
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Piacentini R, Centi L, Miotto M, Milanetti E, Di Rienzo L, Pitea M, Piazza P, Ruocco G, Boffi A, Parisi G. Lactoferrin Inhibition of the Complex Formation between ACE2 Receptor and SARS CoV-2 Recognition Binding Domain. Int J Mol Sci 2022; 23:ijms23105436. [PMID: 35628247 PMCID: PMC9141661 DOI: 10.3390/ijms23105436] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/05/2022] [Accepted: 05/11/2022] [Indexed: 02/07/2023] Open
Abstract
The present investigation focuses on the analysis of the interactions among human lactoferrin (LF), SARS-CoV-2 receptor-binding domain (RBD) and human angiotensin-converting enzyme 2 (ACE2) receptor in order to assess possible mutual interactions that could provide a molecular basis of the reported preventative effect of lactoferrin against CoV-2 infection. In particular, kinetic and thermodynamic parameters for the pairwise interactions among the three proteins were measured via two independent techniques, biolayer interferometry and latex nanoparticle-enhanced turbidimetry. The results obtained clearly indicate that LF is able to bind the ACE2 receptor ectodomain with significantly high affinity, whereas no binding to the RBD was observed up to the maximum “physiological” lactoferrin concentration range. Lactoferrin, above 1 µM concentration, thus appears to directly interfere with RBD–ACE2 binding, bringing about a measurable, up to 300-fold increase of the KD value relative to RBD–ACE2 complex formation.
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Affiliation(s)
- Roberta Piacentini
- Department of Biochemistry, Sapienza University, Piazzale Aldo Moro 5, 00185 Rome, Italy; (R.P.); (L.C.); (A.B.)
- Center of Life Nano and Neuro Science, Institute of Italian Technology, Viale Regina Elena 291, 00181 Rome, Italy; (M.M.); (E.M.); (L.D.R.); (M.P.); (G.R.)
| | - Laura Centi
- Department of Biochemistry, Sapienza University, Piazzale Aldo Moro 5, 00185 Rome, Italy; (R.P.); (L.C.); (A.B.)
| | - Mattia Miotto
- Center of Life Nano and Neuro Science, Institute of Italian Technology, Viale Regina Elena 291, 00181 Rome, Italy; (M.M.); (E.M.); (L.D.R.); (M.P.); (G.R.)
- Department of Physics, Sapienza University, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Edoardo Milanetti
- Center of Life Nano and Neuro Science, Institute of Italian Technology, Viale Regina Elena 291, 00181 Rome, Italy; (M.M.); (E.M.); (L.D.R.); (M.P.); (G.R.)
- Department of Physics, Sapienza University, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Lorenzo Di Rienzo
- Center of Life Nano and Neuro Science, Institute of Italian Technology, Viale Regina Elena 291, 00181 Rome, Italy; (M.M.); (E.M.); (L.D.R.); (M.P.); (G.R.)
| | - Martina Pitea
- Center of Life Nano and Neuro Science, Institute of Italian Technology, Viale Regina Elena 291, 00181 Rome, Italy; (M.M.); (E.M.); (L.D.R.); (M.P.); (G.R.)
- D-Tails s.r.l., Via di Torre Rossa 66, 00165 Rome, Italy
| | - Paolo Piazza
- EDIF Instruments s.r.l., Via Ardeatina 132, 00147 Rome, Italy;
| | - Giancarlo Ruocco
- Center of Life Nano and Neuro Science, Institute of Italian Technology, Viale Regina Elena 291, 00181 Rome, Italy; (M.M.); (E.M.); (L.D.R.); (M.P.); (G.R.)
- Department of Physics, Sapienza University, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Alberto Boffi
- Department of Biochemistry, Sapienza University, Piazzale Aldo Moro 5, 00185 Rome, Italy; (R.P.); (L.C.); (A.B.)
| | - Giacomo Parisi
- Center of Life Nano and Neuro Science, Institute of Italian Technology, Viale Regina Elena 291, 00181 Rome, Italy; (M.M.); (E.M.); (L.D.R.); (M.P.); (G.R.)
- Correspondence:
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10
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Ratiani L, Sanikidze TV, Ormotsadze G, Pachkoria E, Sordia G. Role of ABO Blood Groups in Susceptibility and Severity of COVID-19 in the Georgian Population. Indian J Crit Care Med 2022; 26:487-490. [PMID: 35656053 PMCID: PMC9067498 DOI: 10.5005/jp-journals-10071-24169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
- Levan Ratiani
- First University Clinic of Tbilisi State Medical University, Tbilisi, Georgia
| | - Tamar V Sanikidze
- Department of Physics, Biophysics, Biomechanics, Informative Technologies, Tbilisi State Medical University, Tbilisi, Georgia
- Tamar V Sanikidze, Department of Physics, Biophysics, Biomechanics, Informative Technologies, Tbilisi State Medical University, Tbilisi, Georgia, Phone: +778899000, e-mail:
| | - George Ormotsadze
- Laboratory of Radiation Safety Problems, Beritashvili Center of Experimental Biomedicine, Tbilisi, Georgia
| | - Elene Pachkoria
- First University Clinic of Tbilisi State Medical University, Tbilisi, Georgia
| | - Giga Sordia
- First University Clinic of Tbilisi State Medical University, Tbilisi, Georgia
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Vinkenoog M, Steenhuis M, Brinke AT, van Hasselt JGC, Janssen MP, van Leeuwen M, Swaneveld FH, Vrielink H, van de Watering L, Quee F, van den Hurk K, Rispens T, Hogema B, van der Schoot CE. Associations Between Symptoms, Donor Characteristics and IgG Antibody Response in 2082 COVID-19 Convalescent Plasma Donors. Front Immunol 2022; 13:821721. [PMID: 35296077 PMCID: PMC8918483 DOI: 10.3389/fimmu.2022.821721] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 02/03/2022] [Indexed: 12/13/2022] Open
Abstract
Many studies already reported on the association between patient characteristics on the severity of COVID-19 disease outcome, but the relation with SARS-CoV-2 antibody levels is less clear. To investigate this in more detail, we performed a retrospective observational study in which we used the IgG antibody response from 11,118 longitudinal antibody measurements of 2,082 unique COVID convalescent plasma donors. COVID-19 symptoms and donor characteristics were obtained by a questionnaire. Antibody responses were modelled using a linear mixed-effects model. Our study confirms that the SARS-CoV-2 antibody response is associated with patient characteristics like body mass index and age. Antibody decay was faster in male than in female donors (average half-life of 62 versus 72 days). Most interestingly, we also found that three symptoms (headache, anosmia, nasal cold) were associated with lower peak IgG, while six other symptoms (dry cough, fatigue, diarrhoea, fever, dyspnoea, muscle weakness) were associated with higher IgG concentrations.
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Affiliation(s)
- Marieke Vinkenoog
- Department of Donor Medicine Research, Sanquin Research, Amsterdam, Netherlands
- Leiden Institute of Advanced Computer Science, Leiden University, Leiden, Netherlands
| | - Maurice Steenhuis
- Department of Immunopathology, Sanquin Research, Amsterdam, Netherlands
- Landsteiner Laboratory, Amsterdam University Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - Anja ten Brinke
- Department of Immunopathology, Sanquin Research, Amsterdam, Netherlands
- Landsteiner Laboratory, Amsterdam University Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - J. G. Coen van Hasselt
- Division of Systems Biomedicine and Pharmacology, Leiden Academic Centre for Drug Research, Leiden University, Leiden, Netherlands
| | - Mart P. Janssen
- Department of Donor Medicine Research, Sanquin Research, Amsterdam, Netherlands
- Leiden Institute of Advanced Computer Science, Leiden University, Leiden, Netherlands
| | - Matthijs van Leeuwen
- Leiden Institute of Advanced Computer Science, Leiden University, Leiden, Netherlands
| | - Francis H. Swaneveld
- Department of Transfusion Medicine, Sanquin Blood Supply, Amsterdam, Netherlands
| | - Hans Vrielink
- Department of Transfusion Medicine, Sanquin Blood Supply, Amsterdam, Netherlands
| | - Leo van de Watering
- Department of Transfusion Medicine, Sanquin Blood Supply, Amsterdam, Netherlands
| | - Franke Quee
- Department of Donor Medicine Research, Sanquin Research, Amsterdam, Netherlands
| | - Katja van den Hurk
- Department of Donor Medicine Research, Sanquin Research, Amsterdam, Netherlands
| | - Theo Rispens
- Department of Immunopathology, Sanquin Research, Amsterdam, Netherlands
- Landsteiner Laboratory, Amsterdam University Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - Boris Hogema
- Department of Virology, Sanquin Diagnostic Services, Amsterdam, Netherlands
| | - C. Ellen van der Schoot
- Department of Experimental Immunohematology, Sanquin Research and Landsteiner Laboratory Amsterdam University Medical Centre, Amsterdam, Netherlands
- *Correspondence: C. Ellen van der Schoot,
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12
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König-Beihammer J, Vavra U, Shin YJ, Veit C, Grünwald-Gruber C, Gillitschka Y, Huber J, Hofner M, Vierlinger K, Mitteregger D, Weinhäusel A, Strasser R. In Planta Production of the Receptor-Binding Domain From SARS-CoV-2 With Human Blood Group A Glycan Structures. Front Chem 2022; 9:816544. [PMID: 35178379 PMCID: PMC8846405 DOI: 10.3389/fchem.2021.816544] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 12/28/2021] [Indexed: 12/27/2022] Open
Abstract
Glycosylation of viral envelope proteins is important for infectivity and immune evasion. The SARS-CoV-2 spike protein is heavily glycosylated and host-derived glycan modifications contribute to the formation of specific immunogenic epitopes, enhance the virus-cell interaction or affect virus transmission. On recombinant viral antigens used as subunit vaccines or for serological assays, distinct glycan structures may enhance the immunogenicity and are recognized by naturally occurring antibodies in human sera. Here, we performed an in vivo glycoengineering approach to produce recombinant variants of the SARS-CoV-2 receptor-binding domain (RBD) with blood group antigens in Nicotiana benthamiana plants. SARS-CoV-2 RBD and human glycosyltransferases for the blood group ABH antigen formation were transiently co-expressed in N. benthamiana leaves. Recombinant RBD was purified and the formation of complex N-glycans carrying blood group A antigens was shown by immunoblotting and MS analysis. Binding to the cellular ACE2 receptor and the conformation-dependent CR3022 antibody showed that the RBD glycosylation variants carrying blood group antigens were functional. Analysis of sera from RBD-positive and RBD-negative individuals revealed further that non-infected RBD-negative blood group O individuals have antibodies that strongly bind to RBD modified with blood group A antigen structures. The binding of IgGs derived from sera of non-infected RBD-negative blood group O individuals to blood group A antigens on SARS-CoV-2 RBD suggests that these antibodies could provide some degree of protection from virus infection.
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Affiliation(s)
- Julia König-Beihammer
- Department of Applied Genetics and Cell Biology, Institute of Plant Biotechnology and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Ulrike Vavra
- Department of Applied Genetics and Cell Biology, Institute of Plant Biotechnology and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Yun-Ji Shin
- Department of Applied Genetics and Cell Biology, Institute of Plant Biotechnology and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Christiane Veit
- Department of Applied Genetics and Cell Biology, Institute of Plant Biotechnology and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Clemens Grünwald-Gruber
- Core Facility Mass Spectrometry, University of Natural Resources and Life Sciences Vienna, Muthgasse, Austria
| | - Yasmin Gillitschka
- Core Facility Mass Spectrometry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Jasmin Huber
- Core Facility Mass Spectrometry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Manuela Hofner
- Core Facility Mass Spectrometry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Klemens Vierlinger
- Core Facility Mass Spectrometry, University of Natural Resources and Life Sciences, Vienna, Austria
| | | | - Andreas Weinhäusel
- Core Facility Mass Spectrometry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Richard Strasser
- Department of Applied Genetics and Cell Biology, Institute of Plant Biotechnology and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Austria
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13
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Hussein HJ, Ibrahim SA, Al-Shaibani SW, Abdulrudha NH. Association of Covid-19 with blood type A in relation to blood sugar, urea, and blood test (D-dimer and ferritin) in patients from Al-Najaf. J Med Life 2022; 15:180-187. [PMID: 35419105 PMCID: PMC8999108 DOI: 10.25122/jml-2021-0239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Accepted: 09/10/2021] [Indexed: 01/08/2023] Open
Abstract
COVID-19 is an emerging infectious disease caused by the novel enveloped single-stranded RNA virus quickly declared a pandemic. This study aimed to investigate the severity of COVID-19 infection in patients with blood group type A. A cross-sectional study was conducted at Al-Amal specialized hospital, Al-Najaf (March 8 to March 20/2021). The study included 123 hospitalized patients (63 females and 60 males), aged between 15-95 years, diagnosed with COVID-19, tested for blood group, blood sugar, blood urea, D-dimer, and serum ferritin. Results indicated significant differences in blood sugar and D-dimer in patients with type A blood group at P>0.05. At the same time, no significant difference was found in blood urea and ferritin at P>0.05. The majority of patients showed elevated levels of blood sugar, blood urea, serum D-dimer and ferritin. COVID-19 can infect people of all ages and causes severe infection in all blood groups.
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Affiliation(s)
- Hayfaa Jaber Hussein
- Department of Basic Sciences, Faculty of Dentistry, University of Kufa, AL-Najaf, Iraq,Corresponding Author: Hayfaa Jaber Hussein, Department of Basic Sciences, Faculty of Dentistry, University of Kufa, AL-Najaf, Iraq. E-mail:
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14
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Shibeeb S, Khan A. ABO blood group association and COVID-19. COVID-19 susceptibility and severity: a review. Hematol Transfus Cell Ther 2022; 44:70-75. [PMID: 34541459 PMCID: PMC8437766 DOI: 10.1016/j.htct.2021.07.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Accepted: 07/06/2021] [Indexed: 12/16/2022] Open
Abstract
INTRODUCTION The SARS-CoV-2 pandemic has been affecting the health and economic, as well as social, life of the entire globe since the end of 2019. The virus causes COVID-19, with a wide range of symptoms among the infected individuals, from asymptomatic infection to mortality. This, along with a high infection rate, prompted efforts to investigate the potential mechanisms of the different clinical manifestations caused by SARS-CoV-2 among the infected populations. HYPOTHESIS One of the possible mechanisms that has been reported is the ABO blood system polymorphism. Indeed, one of the major proposed mechanisms is the presence of naturally occurring anti-A antibodies in individuals of groups O and B, which could be partially protective against SARS-CoV-2 virions. OBJECTIVE AND METHOD This article aimed to review the published data on the potential effect of the ABO blood group system on the susceptibility to COVID-19 and the disease progression and outcomes. RESULTS The reviewed data suggest that individuals of blood group A are at a higher risk of infection with SARS-CoV-2 and may develop severe COVID-19 outcomes, whereas blood group O is considered protective against the infection, to some extent. However, some of the available studies seem to have been influenced by unaccounted confounders and biases. CONCLUSION Therefore, further appropriately controlled studies are warranted to fully investigate the possible association between the ABO blood groups and COVID-19 susceptibility and severity.
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Affiliation(s)
- Sapha Shibeeb
- Corresponding author at: Department of Biomedical Science, College of Health Sciences, QU Health, Qatar University P.O. Box 2713 Doha, Qatar.
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15
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Monaco A, Pantaleo E, Amoroso N, Bellantuono L, Stella A, Bellotti R. Country-level factors dynamics and ABO/Rh blood groups contribution to COVID-19 mortality. Sci Rep 2021; 11:24527. [PMID: 34972836 PMCID: PMC8720090 DOI: 10.1038/s41598-021-04162-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 12/15/2021] [Indexed: 11/08/2022] Open
Abstract
The identification of factors associated to COVID-19 mortality is important to design effective containment measures and safeguard at-risk categories. In the last year, several investigations have tried to ascertain key features to predict the COVID-19 mortality tolls in relation to country-specific dynamics and population structure. Most studies focused on the first wave of the COVID-19 pandemic observed in the first half of 2020. Numerous studies have reported significant associations between COVID-19 mortality and relevant variables, for instance obesity, healthcare system indicators such as hospital beds density, and bacillus Calmette-Guerin immunization. In this work, we investigated the role of ABO/Rh blood groups at three different stages of the pandemic while accounting for demographic, economic, and health system related confounding factors. Using a machine learning approach, we found that the "B+" blood group frequency is an important factor at all stages of the pandemic, confirming previous findings that blood groups are linked to COVID-19 severity and fatal outcome.
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Affiliation(s)
- Alfonso Monaco
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Bari, Via A. Orabona 4, 70125, Bari, Italy
| | - Ester Pantaleo
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Bari, Via A. Orabona 4, 70125, Bari, Italy
- Dipartimento di Scienze mediche di base, Neuroscienze e organi di senso, Piazza G. Cesare 11, 70124, Bari, Italy
- Dipartimento Interateneo di Fisica "M. Merlin", Università degli Studi di Bari "'Aldo Moro", Via G. Amendola 173, 70125, Bari, Italy
| | - Nicola Amoroso
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Bari, Via A. Orabona 4, 70125, Bari, Italy
- Dipartimento di Farmacia - Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro", Via A. Orabona 4, 70125, Bari, Italy
| | - Loredana Bellantuono
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Bari, Via A. Orabona 4, 70125, Bari, Italy
- Dipartimento di Scienze mediche di base, Neuroscienze e organi di senso, Piazza G. Cesare 11, 70124, Bari, Italy
| | - Alessandro Stella
- Dipartimento di Scienze biomediche e oncologia umana, Università degli Studi di Bari "Aldo Moro", Bari, Italy.
| | - Roberto Bellotti
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Bari, Via A. Orabona 4, 70125, Bari, Italy
- Dipartimento Interateneo di Fisica "M. Merlin", Università degli Studi di Bari "'Aldo Moro", Via G. Amendola 173, 70125, Bari, Italy
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16
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Allan JD, McMillan D, Levi ML. COVID-19 mRNA Vaccination, ABO Blood Type and the Severity of Self-Reported Reactogenicity in a Large Healthcare System: A Brief Report of a Cross-Sectional Study. Cureus 2021; 13:e20810. [PMID: 35141068 PMCID: PMC8799399 DOI: 10.7759/cureus.20810] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/29/2021] [Indexed: 12/13/2022] Open
Abstract
Introduction It has been anecdotally observed that ABO blood type may have an impact on the severity of the side-effects experienced by those receiving mRNA vaccination for COVID-19. Methods As part of a larger study, a retrospective cross-sectional survey was made available to approximately 33,000 front-line healthcare workers, students and volunteers who were offered voluntary vaccination in a state-wide healthcare system during phase one of the state’s vaccine roll-out. A secondary endpoint of the survey was to determine if there was any relationship between vaccination reactogenicity and ABO blood type. Results 4009 responses were received - a 12.15% response rate. 3700 respondents answered the blood type question, and of those, 2878 knew their blood type. By Kruskal-Wallis test, there was no statistically significant association between any blood type and any side effect for either of the COVID-19 mRNA vaccines. Conclusions COVID-19 mRNA vaccination may cause significant reactogenicity. However, ABO blood type does not appear to be a predictor of vaccine reactogenicity.
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Affiliation(s)
- Jennifer D Allan
- Anesthesiology, University of North Carolina at Chapel Hill, Chapel Hill, USA
| | - Daniel McMillan
- Anesthesiology, University of North Carolina at Chapel Hill, Chapel Hill, USA
| | - Marc L Levi
- Anesthesiology, University of North Carolina at Chapel Hill, Chapel Hill, USA
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17
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Butler D, Coyne D, Pomeroy L, Williams P, Holder P, Carterson A, Field S, Waters A, O'Flaherty N. Confirmed circulation of SARS-CoV-2 in Irish blood donors prior to first national notification of infection. J Clin Virol 2021; 146:105045. [PMID: 34861600 PMCID: PMC8612762 DOI: 10.1016/j.jcv.2021.105045] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 10/21/2021] [Accepted: 11/23/2021] [Indexed: 12/21/2022]
Abstract
Introduction Blood donor studies offer a unique opportunity to screen healthy populations for the presence of antibodies to emerging infections. We describe the use of blood donor specimens to track the ‘first-wave’ of the COVID-19 pandemic in Ireland. Methodology A random selection of donor samples received by the Irish Blood Transfusion Service (IBTS) between February and September 2020 (n = 8,509) were screened by multiple commercial SARs-CoV-2 antibody assays. The antibody detection rate was adjusted to the population to determine the SARS-CoV-2 seroprevalence in Ireland. Results SARS-CoV-2 antibody detection rose significantly during the first peak of COVID-19 infection, increasing from 0.3% in March, to 2.9% in April (p < 0.0001, The first SARS-CoV-2 antibody positive donor samples were collected on the 17th February 2020, 2 weeks prior to the first official notification. This is the earliest serological evidence of SARS-CoV-2 circulating in the Irish population. Our results also show a significantly higher antibody prevalence in the Capital city and in donors less than 40 years of age. Conclusions The present study demonstrates evidence of SARS-CoV-2 antibody reactivity across all age groups and counties. The critical value of blood donor seroprevalence studies is apparent in this report which identified the earliest serological evidence of SARS-CoV-2 infection in Ireland, as well as documenting the evolution of COVID-19 pandemic in Ireland over time.
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Affiliation(s)
- Dearbhla Butler
- Irish Blood Transfusion Service, National Blood Centre, James's Street, Dublin, D08 NH5R, Ireland
| | - Dermot Coyne
- Irish Blood Transfusion Service, National Blood Centre, James's Street, Dublin, D08 NH5R, Ireland
| | - Louise Pomeroy
- Irish Blood Transfusion Service, National Blood Centre, James's Street, Dublin, D08 NH5R, Ireland
| | - Pádraig Williams
- Irish Blood Transfusion Service, National Blood Centre, James's Street, Dublin, D08 NH5R, Ireland
| | - Paul Holder
- National Virus Reference Laboratory, University College Dublin, Dublin 4, Ireland
| | - Alex Carterson
- Abbott Laboratories, 100 Abbott park road, Abbott park, IL 60064, United States of America
| | - Stephen Field
- Irish Blood Transfusion Service, National Blood Centre, James's Street, Dublin, D08 NH5R, Ireland; School of Medicine, Trinity College Dublin, Ireland
| | - Allison Waters
- Irish Blood Transfusion Service, National Blood Centre, James's Street, Dublin, D08 NH5R, Ireland
| | - Niamh O'Flaherty
- Irish Blood Transfusion Service, National Blood Centre, James's Street, Dublin, D08 NH5R, Ireland; National Virus Reference Laboratory, University College Dublin, Dublin 4, Ireland.
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