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
Sunday, 13 December 2020December 13, 2020
Covid vaccine: How does a vaccine get approved?
By Hamza
Sunday, 13 December 2020
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