India's third wave of Covid-19 infections widespread in less than 3 weeks

Just five districts had test positivity ratio greater than 10 per cent on Dec 27. By Jan 11, that number had increased 34 times to 174 districts.

India's third wave of Covid-19 has become widespread in less than three weeks since cases began rising on December 27, 2021.

On December 27, 19 of 733 districts--less than 3%--had Covid-19 test positivity ratio (TPR) greater than 5%, meaning that one in every 20 Covid-19 tests were positive. By January 11, 2022, 311 of 734 districts--42%, and an increase of 15 times--reported Covid-19 TPR greater than 5%.

Just five districts had Covid-19 TPR greater than 10% on December 27; by January 11, that number had increased 34 times to 174 districts.

On December 27, only two states, Arunachal Pradesh and