Effect of vaccine dose on severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) antibody levels in a vaccinated community in Gowa Regency, Indonesia

Author:

Hamsi Andi Magfirah1,Amiruddin Ridwan1,Arsin A. Arsunan1,Abdullah Andi Zulkifli1,Amqam Hasnawati2,Riskiyani Shanti3

Affiliation:

1. Department of Epidemiology, Faculty of Public Health, Hasanuddin University, Indonesia

2. Department of Environmental Health, Faculty of Public Health, Hasanuddin University, Indonesia

3. Department of Health Promotion, Faculty of Public Health, Hasanuddin University, Indonesia

Abstract

BACKGROUND: The administration of the coronavirus disease 2019 (COVID-19) vaccine aims to stimulate the production of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) antibodies. This leads to an enhanced production of neutralizing antibodies (Nabs), which naturally neutralize the virus within the body, thereby reducing the risk of COVID-19 infection. This study determined the analysis of factors affecting SARS-CoV-2 antibody levels in vaccinated individuals using data from the COVID-19 Seroepidemiological Survey of Gowa Regency. METHODS AND MATERIAL: This was an analytic observational study with a cross-sectional design. The COVID-19 Seroepidemiology Survey data as a whole were 851 individuals, and in this study, the number of samples was 804 individuals from all COVID-19 Seroepidemiology Survey samples who had performed the COVID-19 vaccine in Gowa Regency, selected through purposive sampling. STATISTICAL ANALYSIS USED: Data analysis was conducted using various statistical tests, including the independent-samples t-test, Mann–Whitney test, Kruskal–Wallis test, and multiple logistic regression. Furthermore, the analysis was performed through the STATA program version 14.0. RESULTS: There was a significant influence between the history of COVID-19 infection (P = 0.0006) and dose of vaccine (P = 0.0001) with SARS-CoV-2 antibody levels in vaccinated individuals. Meanwhile, vitamin consumption and comorbid history did not affect SARS-CoV-2 antibody levels. Multivariate analysis showed that vaccine dose was the most influential variable on antibody levels (P = 0.046; Odds Ratio (OR) 0.19; 95% Confidence Interval (CI): 0.036–0.968). CONCLUSIONS: The most influential factor was the vaccine dose on SARS-CoV-2 antibody levels in community in Gowa Regency.

Publisher

Medknow

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