Kochi, Kerala state, India, April 10, 2022 (AP Photo/R S Iyer, File)
Covid-19 roundup: New Omicron subvariant first found in India sparks debate on severity; Approval for Shionogi's oral treatment delayed
With the rise of Omicron last year, there have been a few subvariants introduced — especially BA.2 and BA.5 in the US. Now, there’s another one …
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