The mutant strain of Omicron BA.2.12.1 has appeared in Guangzhou city, Guangdong Province, China. This is the first time this mutant variant has surfaced in mainland China.

The Chinese Centre for Disease Control and Prevention published a report on May 16. Accordingly, on April 23, a flight from Nairobi, Kenya, arrived at Guangzhou Baiyun International Airport in southern Guangdong Province.