On the morning of December 26, the second booster dose of the COVID-19 vaccination started at Machang, Xiancun Subdistrict of Guangzhou's Tianhe District. As for the choice of the second booster, Wang Ming, Expert of the Guangdong Preventive Medicine Association, suggested that people can choose to receive recombinant protein vaccine or adenovirus vector vaccine if having received three doses of inactivated vaccines.
On December 27, the Health Commission of Guangdong Province published the medication instructions for the high-risk population infected with COVID-19, clearing that asymptomatic infections do not need additional medication. COVID-19 mild infections with fever, fatigue, smell, and taste disorder can use antipyretic, analgesic, antitussive, and diarrhea drugs.