S.African study suggests Omicron less severe even for unvaccinated

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Unvaccinated people infected with the Omicron variant of coronavirus may be less prone to severe illness and requiring hospital care or dying than was the case with previous variants, a South African study showed on Friday. Omicron globally has tended to cause less severe disease, and proportionally fewer hospital admissions and deaths, than previous variants. Scientists are trying to determine the extent to which this is because of higher immunity rates engendered by vaccination or past illness, or Omicron is intrinsically less nasty.