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New Covid variant BA.3.2 detected across US, but experts urge vigilance over alarm

04.04.2026 14:00 | The Guardian World

Strain found in 29 states and Puerto Rico carries spike mutations, but no data shows increased severitySign up for the Breaking News US email to get newsletter alerts in your inboxBA.3.2, an Omicron variant of Covid-19 with dozens of new spike mutations, has been detected in 29 US states and Puerto Rico, according to the Centers for Disease Control and Prevention, but experts say there is not yet evidence it is more severe than other recent variants.“The right response to BA.3.2 is serious attention, not alarm,” says Dr Jake Scott, a Stanford professor and infectious disease expert who authored a systematic review of Covid vaccines for the New England Journal of Medicine. Continue reading...

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