More than two months into the campaign to get people to take updated COVID-19 boosters, it’s becoming clearer they’re at least as good as the old shots, but public interest remains low.
, which normally causes colds but can be severe in infants and toddlers.
“From more than a year of data now, we know that people who are current on their vaccines are much less likely to be hospitalized,” state epidemiologist Dr. Rachel Herlihy said in a news release. “Preventing hospitalizations is critically important now as we are also seeing increases in RSV and influenza.”How are these different from the original shots?
The shots people started receiving in late 2020 only introduced the spike protein — what the virus uses to enter cells — from the original version of the virus. The updated boosters teach the body to recognize two spike proteins: the one from the original strain of the virus, and the one on the BA.5 and BA.4 variants. Since the rest of the virus isn’t attached to the spike, vaccines essentially give the immune system a training round, without the possibility of getting sick or infecting others.
Ideally, the body will recognize the spike and antibodies will block it, preventing infection altogether. It’s been difficult to achieve that level of immunity against the omicron variants, including BA.5, but vaccination still gives the body a head start in recognizing the virus and heading off the worst outcomes, like hospitalization and death.Anyone who is at least 5, has completed their primary vaccine series and hasn’t had a COVID-19 shot in the last two months is eligible.
People who’ve already received their initial shots can get the updated boosters from Pfizer or Moderna, regardless of whether they’re already had two shots, three, or more.to offer its original vaccine as a third shot, but not for boosters beyond that. Some experts hoped that people who didn’t trust the technology in the Pfizer and Moderna shots would opt for Novavax, but demand has been tepid.
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