Delta still dominant strain of Covid-19, says Maharashtra health official amid Omicron scare

​​​​​Dr Pradeep Vyas, additional chief secretary of the health department, in a letter written to his colleagues on Wednesday said that the Delta variant was found in 68 per cent samples, out of the over 4,200 analysed, while the remaining 32 per cent patients were found infected with the Omicron strain.