Jammu Kashmir Delhi reports 4,033 fresh Covid-19 cases, highest one-day spike this year April 4, 2021 0 FacebookTwitterWhatsAppEmail In grip of the fourth wave, Delhi on Sunday recorded 4,033 coronavirus disease (Covid-19) cases and 21 deaths, according to the health bulletin released by authorities.The fresh infections recorded in the last 24 hours took the national capital’s cumulative tally to 676,414. A surge in fatalities by 21 new deaths took the toll to 11,081, the health bulletin showed.Recording a further increase, the positivity rate in Delhi rose to 4.64% from 4.48% seen a day earlier. The rise in cases and deaths comes even as the authorities have ramped up testing and tracing the cases as a strategy to tackle the viral contagion.