Yet another subvariant of the highly transmissible omicron strain of Covid-19 has been detected in Australia.
source https://www.dailytelegraph.com.au/news/world/new-omicron-subvariant-ba-4-ba-5-under-investigation-by-the-who-detected-in-melbourne/news-story/93c390ac99fd9fa001e45a93e805dee3
source https://www.dailytelegraph.com.au/news/world/new-omicron-subvariant-ba-4-ba-5-under-investigation-by-the-who-detected-in-melbourne/news-story/93c390ac99fd9fa001e45a93e805dee3