AstraZeneca Tests Modified Booster Jab Against Beta Variant of Covid-19
The 'booster' vaccine's trial will involve around 2,250 participants from Britain, South Africa, Brazil and Poland.
from Top World News- News18.com https://ift.tt/3dk1jX4
from Top World News- News18.com https://ift.tt/3dk1jX4
AstraZeneca Tests Modified Booster Jab Against Beta Variant of Covid-19
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