A research team from the Oregon Health Sciences University( OHSU) collected blood samples from 52 people who were fully vaccinated with the Pfizer shot to test how strong their protection against the virus was....
Dr Marcel Curlin who led the study, said:" The key is to get vaccinated....
You've got to have a foundation of protection." The team found that 26, the control group, did not have breakthrough infections, while the remaining 26 people did have mild cases of the virus after getting ja
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2021-12-22 00:00:00.0