Three more people were confirmed to be infected with H7N9 bird flu in three provinces, health authorities said Saturday.
A 71-year-old man in Foshan City, in South China's Guangdong province was confirmed on Sunday to have contracted the virus.
China's southern province of Guangdong reported one more death and four new human cases of H7N9 infection on Monday.
South China's Guangdong province has selected Guangzhou, Shenzhen and Foshan as pilot cities to allow only frozen poultry to be sold at markets.
Government authorities in Changsha, Hunan province, have banned poultry originating in regions that have logged human H7N9 cases from local markets.
A boy entering the Chinese mainland from the Hong Kong Special Administrative Region has been confirmed as infected with H7N9 bird flu.
Health officials in Anhui province report the death of 56-year-old man, bringing the number of human fatalities due to the bird flu virus to 27.
Three more people were confirmed to be infected with H7N9 bird flu in two Chinese provinces, including one who died, health authorities said.
An 81-year-old man died of H7N9 avian flu infection on Thursday in East China's Fujian province, which has reported 15 human cases of H7N9 infection.
Researchers in Shanghai have developed a genetic vaccine for the H7N9 bird flu virus that has proved effective on laboratory mice.
Beijing has confirmed this year's second human case of the H7N9 bird flu, with the patient still in critical condition.
A sculptor confirmed as infected with H7N9 bird flu is treated in an isolation ward in Zhangzhou of east China's Fujian Province, the local health department said on Monday.