Chinese health officials reported two new laboratory-confirmed cases of human infection with avian influenza A(H7N9) virus in Guangdong province, according to WHO.
The latest cases include a 39-year-old man who became sick Dec. 6 and was hospitalized Dec. 11. He is currently in critical condition. The second patient, a 65-year-old woman who was reported having contact with live poultry, became sick Dec. 11 and was hospitalized Dec. 15. She also is in critical condition.
According to WHO, there has been no evidence of sustained human-to-human transmission of H7N9 virus.
The health organization said Chinese authorities are taking several measures to reduce the risk for transmission of H7N9, including intensifying surveillance, reinforcing case management and treatment, carrying out public awareness campaigns, increasing international collaboration and communication, and conducting scientific studies of the infection.
WHO does not recommend any travel or trade restrictions as a result of the outbreak.