Subvariant XBB.1.5 Possibly More Likely To Infect Those Who Are Vaccinated

Digital color image of a variant of COVID-19 cells against a white background. Alpha, Beta, Gamma, Delta, Omicron Covid variant concept.

At a glance

  • New York City health officials are warning residents that the infectious omicron subvariant XBB.1.5 may be more likely to infect people who have already been vaccinated or infected with COVID-19.
  • “Omicron subvariant XBB.1.5 now accounts for 73% of all sequenced COVID-19 cases in NYC,” the NYC Department of Health and Mental Hygiene tweeted on Friday. “XBB.1.5 is the most transmissible form of COVID-19 that we know of to date and may be more likely to infect people who have been vaccinated or already had COVID-19.”
  • The department added that getting vaccinated against the virus, including receiving an updated booster shot, remains the best way to protect against hospitalization and death, including from new variants.

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