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

The Guardian US News
by Hannah Harris Green
April 4, 2026
3 min read

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A new Covid variant BA.3.2 has been detected across 29 U.S. states and Puerto Rico with new spike mutations.

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A new Covid-19 variant called BA.3.2, an Omicron subvariant carrying dozens of spike mutations, has been detected across 29 US states and Puerto Rico, according to the Centers for Disease Control and Prevention. The variant's spike mutations distinguish it from earlier Omicron strains, but health experts emphasize there is currently no data indicating the variant causes more severe disease. The detection has prompted public health monitoring, though officials are urging measured assessment rather than widespread alarm as epidemiological evidence of increased danger remains absent. BA.3.2 joins a growing list of Omicron subvariants circulating in the US as the virus continues to evolve.

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