Latest video updates regarding Coronavirus. Check out this “Coronavirus vaccine: What are human challenge trials? – BBC News” video below:
Human challenge trials are regarded by some as a faster way to develop vaccines – but they come with big risks.
Could they be used to speed up the development of a vaccine for Covid-19?
BBC Health Correspondent Laura Foster explains how they work.
The Coming Pandemic Documentary
Alternate Health Remedies
Video by Terry Saunders, Megan Fisher and Laura Foster.
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