The question of the origin of SARS-CoV-2 continues to occupy scientists, the media, and the public intensely even 5 years after the onset of the COVID-19 pandemic. Where the virus came from, when and ...

In a comparison of COVID-19 vaccines, the mRNA vaccine sustained higher anti-S IgG, while the Ad-vector had superior ...

Amid the declining clinical severity of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and diminishing public uptake of annual coronavirus disease 2019 (Covid-19) vaccines, ...

Research reveals a sharp decline in both the effectiveness and duration of protection from prior infection post-Omicron, underscoring the need for updated vaccines to sustain immunity Study: ...

COVID-19 may leave a lasting impression on the brain, even in people who fully recover from their infection. New research reveals that even in those without the ongoing symptoms of long COVID, there ...

New study reveals how lingering spike protein in the brain's borders could explain long-term COVID-19 neurological symptoms and highlight vaccines' protective role. Study: Persistence of spike protein ...

Llama antibodies clamp the coronavirus shut at its weakest spot—leaving the virus powerless to mutate or infect.

A study published in the journal Journal of Autoimmunity highlights a phenomenon of molecular mimicry between the SARS-CoV-2 ...