Omicron Reinfection

• Omicron BA.5 COVID subvariant spreading at ‘very intense level,’ WHO warns

  The WHO has seen a substantial increase in cases of the Omicron subvariant, BA.5, over the last four weeks and that trend is expected to continue.

  Health

  Jul 12, 2022
  
• Infected with BA.1 Omicron variant? It won’t protect against newer subvariants: study

  People infected with the earliest version of the Omicron variant, first identified in South Africa in November, may be vulnerable to reinfection with later versions of Omicron.

  Health

  Jun 19, 2022
  
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• Omicron COVID-19 variant likely to re-infect ‘over and over again,’ experts say

  COVID-19 cases may be declining in Canada but it's still possible to get re-infected, experts say. And, getting Omicron more than once seems more likely than other variants.

  Health

  May 22, 2022
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• Omicron subvariant reinfections possible but rare, Danish study shows

  A new study found that people infected with BA.1 sublineage can get infected with BA.2 shortly afterwards, but it is a rare occurrence.

  Health

  Feb 22, 2022
• Omicron 5 times more likely to reinfect than Delta, no less severe: study

  The results were from a UK Health Security Agency and National Health Service data on people who tested positive for COVID-19 in a PCR test in England between Nov. 29 and Dec. 11.

  Health

  Dec 17, 2021
• Pfizer’s vaccine 70% effective against hospitalization from Omicron: study

  A two-dose Pfizer/BioNTech vaccination provides just 33 per cent protection against infection by the omicron variant of COVID-19, but 70 per cent protection against hospitalization

  Health

  Dec 14, 2021