The BA.3.2 'Cicada' Covid variant has been detected in 23 countries with over 70 mutations. Here's what experts say about its spread, symptoms, severity and vaccine protection.
In the cohort that received the BA.5-containing bivalent booster, the neutralizing activity against all the omicron subvariants as compared with that against WA1/2020 was better than in the other two ...
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Health authorities and scientists say they are now racing to study BA.2.86, a new strain of the virus that causes COVID-19, after the highly mutated variant was spotted spreading in multiple countries ...
The fast-spreading BA.5 subvariant of Omicron and its close relative BA.4 now make up around 95% of COVID-19 cases in the U.S., according to estimates published Tuesday by the Centers for Disease ...
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