Researchers conducted the study, which involved 1,090 Pfizer vaccine recipients, to investigate whether people with prior COVID-19 infection have naturally acquired immunity that could be sufficiently enhanced by a single mRNA vaccine dose compared to receiving two doses.
The study also revealed post-vaccination symptoms were more prominent among those with prior infection after the first dose and were similar among both groups after the second dose.
More articles on pharmacy:
FDA downplayed safety risks at Merck plant producing J&J COVID-19 vaccines, whistleblower says
White House knew 2 weeks ago that plant producing J&J vaccine had problems, Politico says
Walgreens reports strong Q2 results thanks to COVID-19 vaccine rollout
