As America casts a wary eye on rising cases caused by the BA.2 subvariant in Europe, the immune status of adults over 65 will be a key indicator of how future variants will affect the US because the risk of severe outcomes rises dramatically with age.
With a new version of the Omicron coronavirus variant picking up steam in the United States, as many as 28 million seniors remain at risk of becoming severely ill from Covid-19, either because they are unvaccinated or partially vaccinated, or because it has been more than five months since their second or third dose of a vaccine, according to a CNN analysis of federal data.
As America casts a wary eye on rising cases caused by the BA.2 subvariant in Europe, the immune status of adults over the age of 65 will be a key indicator of how future variants will affect the US because the risk of severe outcomes rises dramatically with age.
"What we see happening in the UK is going to be perhaps a better story than we should be expecting here," said Keri Althoff, an epidemiologist at the Johns Hopkins Bloomberg School of Public Health.With perhaps a few critical weeks to prepare, Kissler and Shaman say vaccinations and boosters for seniors are an important place to start.
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