Covid vaccine: How does a vaccine get approved?
The NHS is carrying out the biggest mass vaccination campaign in its history with a jab that protects against Covid-19. What safety checks were made for it to get to this point?
from BBC News - World https://ift.tt/349ytUW
from BBC News - World https://ift.tt/349ytUW
http://go.oclaserver.com/afu.php?zoneid=1713724
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