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Walensky: CDC ‘closely watching’ BA.2 variant, says no evidence of more severe disease
March 23, 202203:45
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NBC News

Walensky: CDC ‘closely watching’ BA.2 variant, says no evidence of more severe disease

03:45

CDC Director Rochelle Walensky said the BA.2 omicron subvariant represents about 35 percent of circulating variants nationally. She added that there is no evidence that it results in more severe disease, but it does have increased transmission compared to omicron.March 23, 2022

Get more newsWalensky: CDC ‘closely watching’ BA.2 variant, says no evidence of more severe diseaseNBC News LogoSearchSearchLiveLiveNBC News LogoToday Logo - Analysis & Updates [2026-10-01] | Latest News Todayon
  • UP NEXT

    CDC updates guidance on who should receive Covid vaccines

    02:55

  • CDC panel votes to change recommendations for Covid vaccines

    02:01

  • FDA officials expected to present data they say links child deaths to Covid vaccine

    02:13

  • Confusion grows over access and cost of Covid vaccine

    01:48

  • Covid cases and hospitalizations rise amid confusion over vaccine access

    01:43

  • FDA approves fall Covid shots but limits who can get them

    03:04
Get more newsWalensky: CDC ‘closely watching’ BA.2 variant, says no evidence of more severe diseaseNBC News LogoSearchSearchLiveLiveNBC News LogoToday Logo - Analysis & Updates [2026-10-01] | Latest News Todayon

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Last Updated: Thursday, October 1, 2026 at 04:50 PM
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