India May Have Seen ‘Invisible’ Covid Wave Larger Than 2022 Third Wave, Wastewater Survey Shows

[ad_1] New Delhi: India recorded over 12,000 coronavirus cases at its peak in mid-April this year. The number wasn’t big, though there was a scare of a new wave days before WHO declared Covid is no longer an international health emergency. A recent wastewater surveillance in two Indian cities, however, revealed that they might have … Read more