from FOX News https://ift.tt/35bS07N
Pfizer's coronavirus vaccine shows promise: What does a two-dose shot entail?
Pfizer and BioNTech's coronavirus vaccine inched a step closer toward approval on Monday, with the company announcing 90% efficacy in phase 3 clinical trial.
from FOX News https://ift.tt/35bS07N
from FOX News https://ift.tt/35bS07N
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