So far a total of 40 countries have uploaded 8 040 BA 2 sequences on GISAID database Most samples were from Denmark 6 411 Other countries with over 100 samples of Omicron BA 2 are India 530 Sweden 181 and Singapore 127
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BA.2, which does not have the specific mutation seen with Omicron that can be used as a proxy to easily distinguish it from Delta, is being investigated but has not been designated a Variant Of Concern