As the rapidly spreading BA.5 Omicron coronavirus subvariant drives a surge in cases in many countries, health experts are urging people to get booster shots and wear masks.
“There is some evidence showing that infection [with BA.5] is possible for people who have been vaccinated or infected with BA.2 before,” Poon said, referring to an earlier Omicron subvariant. “If it’s spreading in the community it is possible there could be an upsurge in BA.5 cases.”“Sequences until today solidify the impression that BA.2.75 is on a steep rise in India and elsewhere, in particular also relative to BA.
Poon from HKU said it was still too early to say how it will spread and how it differs from other strains.“We have to monitor whether this BA.2.75 is spreading in other countries or not,” he said. “Meantime, those who have been vaccinated, maybe three doses or a booster, tend to have less chance of a severe clinical outcome so I think the best protection still is to get vaccinated.”
Ashish Jha, the White House’s Covid-19 response coordinator, on Sunday tweeted that there could be a new wave of cases.
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