As of Monday, a total of 111 African people in Guangzhou, Guangdong province, have tested positive for COVID-19, local authorities said.
Of those, 19 showed symptoms while the other did not. All were being treated, according to Chen Zhiying, the city's executive vice-mayor.
A total of 4,553 African people in Guangzhou have been tested since April 4, Chen said.
Tests have been performed since March 8 for all people entering the city from abroad.
"Timely identification of COVID-19 is one of the important measures for protecting the health of African people in Guangzhou," Tang Xiaoping, director of the Guangzhou health commission, was quoted as saying by Xinhua News Agency.
Chen Yongqiu, deputy chief of the city's public security bureau, said that in the recent epidemic prevention and control work, the isolation and testing measures for Africans in Guangzhou was the same as previous measures for Chinese citizens and other foreigners.
As of Monday, Guangzhou had reported a total of 123 confirmed COVID-19 cases imported from abroad, with 16 cases related to those, the commission said.
On Monday alone, the city reported 26 asymptomatic cases, including three people diagnosed when they entered the Guangzhou port.