Pfizer, Moderna Say Booster Shots Probably Needed

Pfizer, Moderna Say Booster Shots Probably Needed
By Ralph Ellis
April 16, 2021 -- People who’ve received both doses of the Pfizer-BioNTech or Moderna coronavirus vaccines will probably need a booster shot this year, top executives for those two pharmaceutical companies said this week.
Pfizer CEO Albert Bourla said people who’ve gotten both doses would likely need a third shot within 12 months and might need an annual shot thereafter.
"There are vaccines ... like polio that one dose is enough, there are vaccines like pneumococcal vaccine that one dose is enough for adults, and there are vaccines like flu that you need every year," Bourla said on a CVS Health Live event, “Race to Vaccinate.” "The COVID virus looks more like the influenza virus than the polio virus."

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