New Delhi/IBNS: The national capital Wednesday reported 509 fresh Covid-19 cases with the positivity rate spiking up to 26 per cent from 15.64 per cent a day before.

Delhi has witnessed an increase in the number of fresh Covid cases over the last few days amid a sharp increase in the figure of H3N2 influenza cases in the country.

The number of fresh cases had seen a decline over the last few months in Delhi and it had dropped to zero on Jan 16, which was the first since the pandemic broke.

A total of 4,435 fresh Covid infections were reported across the country in the last 24 hours, which was a significant jump from Tuesday's tally of 3038 cases, according to the Union health ministry data updated on Wednesday.

This is the highest single-day rise in India in the last nearly six months, the ministry said.

India's active Covid caseload currently stands at 23,091 with a daily positivity rate of 3.38 per cent, it said.