A person's immune response to variants of SARS-CoV-2, the virus that causes COVID-19, depends on their previous exposure - and differences in the focus of immune responses will help scientists ...
Important differences in how the nasal cells of young and elderly people respond to the SARS-CoV-2 virus, could explain why children typically experience milder COVID-19 symptoms, finds a new study ...
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 ...
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