As many as 300 districts in India are reporting weekly case positivity of more than 5 per cent with Maharashtra, West Bengal, Delhi, Tamil Nadu, Karnataka, Uttar Pradesh, Kerala and Gujarat emerging as states of concern, the Union government said.

Addressing a press conference, Joint Secretary in Health Ministry Lav Agarwal said a sharp rise in Covid-19 infections has been noted in India with the case positivity climbing to 11.05 per cent on Wednesday from 1.1 per cent on December 30.