Declining antibodies and immunity to COVID-19 – why the worry?
- Written by Alexander (Sasha) Poltorak, Professor of Immunology, Tufts University
An artist's impression of antibodies (red and blue) responding to an infection with the new coronavirus SARS-CoV-2 (purple). KTSDESIGN/SCIENCE PHOTO LIBRARY / Getty ImagesMost people are aware that testing for antibodies in a person’s blood can show if someone has had a specific disease, such as COVID-19. Those antibodies provide protection...
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