Should India worry about China's covid surge?
- BF.7 is a sub-variant of omicron that has spread in China, Japan, Korea, US and other countries.
New Delhi: Covid-19 cases are rising in several countries including China, as the BF.7 variant of the omicron virus spreads rapidly. India is strengthening surveillance, even though the country has reported a decline in cases and deaths. Mint explains the spurt in China and if we should be worried.