Asymptomatic COVID-19 findings dim hopes for 'herd immunity' and 'immunity passports'

antibody test

A closer look at people who tested positive for COVID-19 but never developed symptoms has found that such asymptomatic carriers have few to no detectable antibodies just weeks after infection, suggesting they may not develop lasting immunity.



from CBC | Health News https://ift.tt/2ZaLHgI

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