Omicron Subvariant

• Hospitalizations up as BA.5 becomes dominant variant in Alberta

  The highly contagious and immune-evading BA.4 and BA.5 Omicron subvariants became dominant in Alberta in mid-June, according to new data from the University of Calgary.

  Health

  Jul 27
  
• Summer COVID-19 transmission ticking up in Alberta

  Wastewater COVID-19 levels in cities across the province are showing increased levels in the last two weeks.

  Health

  Jul 13
  
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• New COVID-19 Omicron mutation sparks concern in India and beyond

  The new Omicron mutation has also been detected in about 10 other countries, including Australia, Germany, the United Kingdom and Canada.

  World

  Jul 11
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• 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
• BA.4, BA.5 in Canada: What we know about the 2 new Omicron subvariants

  BA.4 and BA.5 can dodge antibodies from earlier infection well enough to trigger a new wave, according to South African scientists.

  Health

  May 7
• COVID-19 sixth wave renews labour shortage concerns in restaurants and retail

  Businesses across Canada are struggling to cope with an apparent sixth wave of COVID-19, as staffing shortages hamper sectors from health care to hospitality and retail.

  Canada

  Apr 8
• 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
• BA.2 subvariant harder to identify than original Omicron strain, WHO says

  The BA.2 subvariant has begun to replace Omicron's more common "original" BA.1 variant in countries such as Denmark.

  Health

  Feb 3
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• BA.2 33% more infectious than ‘original’ Omicron COVID strain, study finds

  The study found that people infected with the BA.2 Omicron subvariant were roughly 33 per cent more likely to infect others, compared to those infected with BA.1.

  Health

  Jan 31
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• B.C. has recorded 66 cases of the Omicron subvariant, province confirms

  More than 10,000 cases of the Omicron subvariant have been reported in 47 countries, but so far, just 51 cases of the BA.2 variant have been detected in Canada.

  Health

  Jan 26