variants of concern

T cells will save us from COVID-19, part two

8 Comments / Basic virology, Information / By

T cells are the other arm of the adaptive immune response (in addition to B cells) that are essential for clearing virus infections. Most studies of immunity to SARS-CoV-2 infection have focused on antibodies and their ability to neutralize virus infection. The observation that variants of concern are less effectively neutralized by antibodies against ancestral …

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SARS-CoV-2 variants of concern

19 Comments / Basic virology, Commentary, Information / By

In recent months variants of SARS-CoV-2 have been detected that are unusual in that they have many more genome mutations than previously found. These have been called ‘variants of concern’ (VOC) as it has been suggested that the genome mutations might impact transmission, immune control, and virulence. Below I cover each of these issues separately. …

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