Many nations are pursuing the rollout of SARS-CoV-2 vaccines as an exit strategy from
unprecedented COVID-19-related restrictions. However, the success of this strategy relies …

The Omicron, or Pango lineage B. 1.1. 529, variant of severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) carries multiple spike mutations with high transmissibility and …

Individuals with potential exposure to severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) do not necessarily develop PCR or antibody positivity, suggesting that some …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccine rollout has
coincided with the spread of variants of concern. We investigated whether single-dose …

The impact of the initial severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
infecting strain on downstream immunity to heterologous variants of concern (VOCs) is …

Understanding the nature of immunity following mild/asymptomatic infection with SARS-CoV-
2 is crucial to controlling the pandemic. We analyzed T cell and neutralizing antibody …

Abstract SARS-CoV-2, the agent of the COVID-19 pandemic, emerged in late 2019 in China,
and rapidly spread throughout the world to reach all continents. As the virus expanded in its …

The durability of vaccine-mediated immunity to SARS-CoV-2, the durations to breakthrough
infection, and the optimal timings of booster vaccination are crucial knowledge for pandemic …

Rapid, accurate and frequent detection of the RNA of SARS-CoV-2 (severe acute respiratory
syndrome coronavirus 2) and of serological host antibodies to the virus would facilitate the …

Effective control of SARS-CoV-2 infection on primary exposure may reveal correlates of
protective immunity to future variants, but we lack insights into immune responses before or …