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KUALA LUMPUR: Two Omicron variants of Covid-19, namely BA.5.2 and BF.7, which made up about 80 per cent of the variants currently infecting China, have been detected in Malaysia since March 16 and Aug 21 last year, respectively.
Several nations have moved to mandate COVID-19 tests for passengers arriving from China as the country grapples with a surge of infections.
Highly transmissible Omicron strains, mainly BA.5.2 and BF.7, are currently driving China's Covid-19 surge.
The head of the Chinese Center for Disease Control and Prevention Gao Fu has called for the development of updated vaccines as boosters to fight against possible future epidemic subvariants as highly transmissible BA.5.2 was reported in at least four cities across the nation.