U

Covid Fourth Wave

2022 • 9min • Health • Science

IF

Covid cases are surging in China, Japan, USA and Brazil. India has seen a decline in cases after the abatement of the third wave brought by the Omicron variant. The government has stepped up its vigil. But are there new variants of the virus around the corner? Could they trigger off a fourth wave? How severe will it be? Does India need to worry?