Deliberate COVID-19 infection trial finds symptoms don't indicate viral shedding - CNA

The world's first "human challenge" trial in which volunteers were deliberately exposed to the coronavirus has found that symptoms had no effect on how likely an infected person is to pass the disease on to others. The findings underscore the difficulty in…

:The world's first "human challenge" trial in which volunteers were deliberately exposed to the coronavirus has found that symptoms had no effect on how likely an infected person is to pass the disea… [+1360 chars]

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