Vitamin D Supplementation and Prior Oral Poliovirus Vaccination Decrease Odds of COVID-19 Outcomes among Adults Recently Inoculated with Inactivated Poliovirus Vaccine
Brittany A Comunale, Yea-Jen Hsu, Robin J Larson, Aditi Singh, Erin Jackson-Ward, Lilly D Engineer
Vaccines, doi:10.3390/vaccines12020121
Background: Structural and functional commonalities between poliovirus and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) suggest that poliovirus inoculation may induce antibodies that mitigate the coronavirus disease (COVID-19). No known studies have evaluated COVID-19 risk factors in adults recently vaccinated against poliovirus. Study Objective: Among adults with no history of COVID-19 infection or vaccination, who recently received an inactivated poliovirus vaccine (IPV), we sought to determine which biological factors and social determinants of health (SDOH) may be associated with (1) testing positive for SARS-CoV-2, (2) experiencing COVID-19 symptoms, and (3) a longer duration of COVID-19 symptoms. Methods: The influence of biological factors and SDOH on SARS-CoV-2 infection and COVID-19 symptoms were evaluated among 282 adults recently inoculated with IPV. Participant-reported surveys were analyzed over 12 months post-enrollment. Bivariate and multivariate linear and logistic regression models identified associations between variables and COVID-19 outcomes. Results: Adjusting for COVID-19 vaccinations, variants, and other SDOH, secondary analyses revealed that underlying conditions, employment, vitamin D, education, and the oral poliovirus vaccination (OPV) were associated with COVID-19 outcomes. The odds of testing positive for SARS-CoV-2 and experiencing symptoms were significantly reduced among participants who took vitamin D (OR 0.12 and OR 0.09, respectively). Unemployed or part-time working participants were 72% less likely to test positive compared with full-time workers. No prior dose of OPV was one of the strongest predictors of SARS-CoV-2 infection (OR 4.36) and COVID-19 symptoms (OR 6.95). Conclusions: Findings suggest that prophylactic measures and mucosal immunity may mitigate the risk and severity of COVID-19 outcomes. Larger-scale studies may inform future policies.
Supplementary Materials: The following supporting information can be downloaded at: https:// www.mdpi.com/article/10.3390/vaccines12020121/s1, Table S1 . Participant Demographics and Characteristics. Table S2 . Main Effects of Predictor Variables.
Funding: The secondary data analysis presented here received no external funding.
Institutional Review Board Statement: The Johns Hopkins School of Public Health Institutional Review Board reviewed this secondary analysis study and deemed it exempt. The original study from which data were derived was conducted in accordance with the Declaration of Helsinki, and approved by the Institutional Review Board of Advarra (Protocol # Pro00046994, October 2020). Informed Consent Statement: Informed consent was obtained from all subjects involved in the study.
Conflicts of Interest: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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doi:10.1038/s41562-022-01289-8{ 'indexed': {'date-parts': [[2024, 1, 25]], 'date-time': '2024-01-25T00:29:42Z', 'timestamp': 1706142582515},
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'abstract': '<jats:p>Background: Structural and functional commonalities between poliovirus and severe '
'acute respiratory syndrome coronavirus 2 (SARS-CoV-2) suggest that poliovirus inoculation may '
'induce antibodies that mitigate the coronavirus disease (COVID-19). No known studies have '
'evaluated COVID-19 risk factors in adults recently vaccinated against poliovirus. Study '
'Objective: Among adults with no history of COVID-19 infection or vaccination, who recently '
'received an inactivated poliovirus vaccine (IPV), we sought to determine which biological '
'factors and social determinants of health (SDOH) may be associated with (1) testing positive '
'for SARS-CoV-2, (2) experiencing COVID-19 symptoms, and (3) a longer duration of COVID-19 '
'symptoms. Methods: The influence of biological factors and SDOH on SARS-CoV-2 infection and '
'COVID-19 symptoms were evaluated among 282 adults recently inoculated with IPV. '
'Participant-reported surveys were analyzed over 12 months post-enrollment. Bivariate and '
'multivariate linear and logistic regression models identified associations between variables '
'and COVID-19 outcomes. Results: Adjusting for COVID-19 vaccinations, variants, and other '
'SDOH, secondary analyses revealed that underlying conditions, employment, vitamin D, '
'education, and the oral poliovirus vaccination (OPV) were associated with COVID-19 outcomes. '
'The odds of testing positive for SARS-CoV-2 and experiencing symptoms were significantly '
'reduced among participants who took vitamin D (OR 0.12 and OR 0.09, respectively). Unemployed '
'or part-time working participants were 72% less likely to test positive compared with '
'full-time workers. No prior dose of OPV was one of the strongest predictors of SARS-CoV-2 '
'infection (OR 4.36) and COVID-19 symptoms (OR 6.95). Conclusions: Findings suggest that '
'prophylactic measures and mucosal immunity may mitigate the risk and severity of COVID-19 '
'outcomes. Larger-scale studies may inform future policies.</jats:p>',
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