Four Covid strains circulating in Goa: NIV report
A month after the directorate of health services sent 15 samples to the National Institute of Virology (NIV), Pune, for genome sequencing, four of these revealed different strains — from the UK, US, double-mutant from Maharashtra, and the original one.
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A month after the directorate of health services sent 15 samples to the National Institute of Virology (NIV), Pune, for genome sequencing, four of these revealed different strains — from the UK, US, double-mutant from Maharashtra, and the original one. 
