The clinical course and outcome of COVID-19 are highly variable, ranging from
asymptomatic infections to severe disease and death. Understanding the risk factors of …

This meta-analysis aims to synthesize global evidence on the risk of reinfection among
people previously infected with SARS-CoV-2. We systematically searched PubMed, Scopus …

Abstract Background In December 2019, severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) emerged with a high transmissibility rate and resulted in numerous negative …

The goal of this study was to investigate the relationship between anti-SARS-CoV-2-Spike
IgG titers passively transferred to the fetus from maternal vaccination during pregnancy and …

As the fight against the COVID-19 pandemic continues, reports indicate that the global
vaccination rate is still far below the target. Understanding the levels of reinfection may help …

To assess changes in SARS-CoV-2 spike binding antibody prevalence in the Dominican
Republic and implications for immunologic protection against variants of concern, we …

SARS-CoV-2 infection and vaccination elicit potent immune responses. Our study presents a
comprehensive multimodal single-cell analysis of blood from COVID-19 patients and healthy …

Background We measured T-cell and antibody responses to severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) in vaccinated patients hospitalized for coronavirus …

Background There is a significant increase in the number of SARS-CoV-2 reinfection reports
in various countries. However, the trend of reinfection rate over time is not clear. Methods …

The global SARS-CoV-2 immune landscape and population protection against emerging
variants is largely unknown. We assessed SARS-CoV-2 antibody changes in the Dominican …