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COVID: What we know so far about the Omicron subvariant BA.2


As the highly transmissible Omicron variant of the coronavirus continues its frenetic spread around the world, a new subvariant has been detected in dozens of countries. Omicron was first reported by South Africa in November and has since replaced the Delta variant in most countries as the most prevalent strain. The dominant form of Omicron, known as BA.1, continues to account for the vast majority of confirmed new COVID-19 infections globally, but another subvariant, known as BA.2, has begun to outcompete it in some places. Some early studies have shown BA.2 appears to be more transmissible than the dominant BA.1 subvariant – leading scientists to ramp up their investigations. The strain is being closely watched in countries including Denmark, India and Nepal where it has become dominant, according to the World Health Organization (WHO).

Al Jazeera English - February 5, 2022

View the full story here: https://www.aljazeera.com/news/2022/2/4/what-we-know-about-the-covid-19-omicron-subvariant