UK to host ‘human challenge’ trials for COVID-19 vaccines
In January, volunteers will be deliberately infected with coronavirus to test effectiveness of vaccine candidates.
from Al Jazeera – Breaking News, World News and Video from Al Jazeera https://ift.tt/3j2zbJ0
from Al Jazeera – Breaking News, World News and Video from Al Jazeera https://ift.tt/3j2zbJ0
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