The Centre for Health Protection has published its Epidemiological investigation and follow-up actions by CHP on confirmed human case of avian influenza A. Excerpt:
The Centre for Health Protection (CHP) of the Department of Health (DH) today (February 13) provided an update on the fifth confirmed human case of avian influenza A(H7N9) affecting a man aged 65.
"The epidemiological investigations, enhanced disease surveillance, port health measures and health education against avian influenza are all ongoing," a spokesman for the DH said.
As of 4pm today, six close contacts and 82 other contacts have been identified.
The close contacts are the five family members of the index patient in Hong Kong and a patient who had stayed in the same ward with the index patient in Kwong Wah Hospital (KWH).
The five family members have remained asymptomatic while the patient in KWH had onset of symptoms before contact with the index patient. Upon preliminary laboratory testing by Princess Margaret Hospital (PMH), their respiratory specimens were all negative for Influenza A virus. They remain under observation.
Other contacts included the index patient's other family members, staff and patients of the private clinic which the patient attended, healthcare workers of relevant public hospitals and the officers at Lo Wu Boundary Control Point. Among them, two are symptomatic and their specimens were negative for Influenza A virus upon PMH's preliminary testing. They are all under medical surveillance.