What are the symptoms of BA.4 and BA.5?

AUSTIN (KXAN) — As the number of COVID-19 cases and hospitalizations in Texas rises again, health leaders point to the subvariants BA.4 and BA.5 as the reason for the increase. Here’s what we know about the virus’s recent mutations: Severity of BA.4 and BA.5 Early research shows that the omicron subvariants can cause more serious …

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