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As COVID reinfection cases rise, who should get a second booster? Despite vaccines and natural immunity, the highly infectious Omicron variant is striking many people more than once. Read more

BA.5 is most similar to BA.2, another omicron subvariant that picked up speed in Texas in March, although it has a few additional mutations on…

A BA.5 infection seems to come with the same symptoms as the original omicron strain, including headache, a sore throat, a runny nose, fever a…

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