from CNN.com - RSS Channel - World https://ift.tt/3m8YjzS
Thursday, April 1, 2021
Pfizer says Covid-19 vaccine protection lasts at least six months, protects against variants
The ongoing Phase 3 clinical trial of Pfizer/BioNTech's coronavirus vaccine confirms its protection lasts at least six months after the second dose, the companies said Thursday.
from CNN.com - RSS Channel - World https://ift.tt/3m8YjzS
from CNN.com - RSS Channel - World https://ift.tt/3m8YjzS
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