The prevalence of SARS-CoV-2 antibodies within the community of a private tertiary university in the Philippines: a serial cross sectional study
Sumpaico-Tanchanco, L. B. C.; Sy, J. C. Y.; Dy, A. B. C.; Levantino, M.; Amit, A. M. L.; Wong, J.; Angeles, K.; Vergara, J. P. C.
Show abstract
The antibody testing for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was used to detect the presence of antibodies in a private university setting. This serial cross-sectional study determined the seroprevalence of SARS-CoV-2 antibodies using qualitative and quantitative tests. Between June 2021 to December 2021, samples from 1,318 participants were tested, showing 47.80% of the study population yielding IgG antibodies to SARS-CoV-2 virus. A general increase in seroprevalence was observed from June to December 2021. However, a decreasing trend in IgG reactivity was found in vaccinated individuals over time. IgG antibody formation was observed across all brands of vaccines.
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