China on Saturday reported three new influenza A(H1N1) cases, bringing to 24 the total number of confirmed cases on the Chinese mainland.

A quarantine official (R) guides passengers for temperature examination at the Maweigang dock in Fuzhou, capital of southeast China's Fujian Province, May 30, 2009. The third case of A/H1N1 in Fujian was confirmed in Fuzhou on May 29. [Xinhua]

The one in the southeastern province of Fujian involves a local who studied in Canada. The other two in Beijing involve a Chinese American and a Chinese student who studied in the United States.

Doctors confirmed the 23-year-old man in Fujian positive for A(H1N1) flu after assessing his symptoms and laboratory testing results on Saturday afternoon.

Thirty-six out of 46 people who had close contact with him have been quarantined. Health authorities are tracking another eight as two have left China.

The man left Toronto Tuesday and arrived in Shanghai at 3:35 PM on Wednesday on Air Canada flight AC087. He stayed at a hotel in Shanghai on Wednesday night. He left for Xiamen, Fujian, on Xiamen Airlines flight MFA 8502 on Thursday morning. Then he took a car with his relatives to go back home in Dehua County of Quanzhou City in the province.

On Friday morning, the man developed headache and a sore throat and went to a local hospital.

On Friday night, he was tested positive for A(H1N1) flu by the municipal Center of Disease Control and Prevention of Quanzhou. The provincial Center of Disease Control and Prevention reexamined Saturday morning the results which was also positive.

The US citizen, surnamed Bao, left Chicago for Beijing on Tuesday on flight UA851. The 54-year-old woman developed symptoms of a dry throat and a stuffy and running nose Thursday. She was sent to hospital after her temperature rose to 38.1 degrees Celsius on Friday.

The student in Beijing, surnamed Li, arrived in Beijing on flight C089 at 3:00 PM on  Wednesday. He saw doctor Friday after showing symptoms of fever and body aches.

The two were tested positive for A/H1N1 by the Beijing Center for Disease Control and Prevention Friday.