The influenza A (H7N9) virus is one subgroup among the larger group of H7 viruses that normally circulate among birds. A number of human infections of the H7N9 virus have been reported in eastern China, mostly in the Yangtze River Delta region since late March 2013. Some of the patients have died of severe pneumonia brought on by the virus.
A new human case of H7N9 bird flu has been confirmed in Zhejiang province, the fourth on the mainland in three weeks, but scientists said it was too early to know whether they represented a major outbreak.Thursday, 7 November, 2013, 4:06am
A group of Hong Kong and mainland researchers have concluded that closing live poultry markets all but eliminates the risk of human infection from H7N9 and is the most effective measure to control the deadly bird flu.1 Nov 2013 - 4:08am
Closing live poultry markets, though a huge economic setback, is a sure-fire way of curbing the deadly H7N9 bird flu in case of an outbreak, disease control researchers said on Thursday.31 Oct 2013 - 3:07pm 2 comments
Chinese scientists have independently developed a vaccine for the H7N9 bird flu virus - a bug that has killed at least 45 people since March - and could be ready to launch it in six months, a research team spokesman said.28 Oct 2013 - 10:05am 1 comment
Fresh human cases in eastern China of a deadly new strain of bird flu signal the potential for "a new epidemic wave" of the disease in coming winter months, scientists say.26 Oct 2013 - 3:54am
Dutch scientists hidden away in a top-security laboratory are seeking to create mutant flu viruses, dangerous work designed to prepare the world for a lethal pandemic by beating nature to it.
The idea of engineering viral pathogens to be more deadly than they are already has generated huge controversy, amid fears that such viruses could leak out or fall into the wrong hands.23 Oct 2013 - 6:13pm
A top mainland respiratory disease expert has urged Hong Kong to remain vigilant over the deadly H7N9 bird flu as it was "unpredictable" and could cause an outbreak in winter.
Chinese Academy of Sciences fellow Dr Zhong Nanshan said Hong Kong should maintain its current early-diagnosis strategy in order to prevent a spread if there was an infection case.18 Oct 2013 - 5:52am
A new case of H7N9 has been reported in Zhejiang province, Zhejiang health authorities announced on Tuesday.16 Oct 2013 - 2:05pm
Hong Kong scientists studying the H7N9 bird flu virus said they had discovered another H7-type virus lurking in chickens in China.22 Aug 2013 - 8:46am 5 comments
H7N9, the bird flu strain that has health officials on edge, is now on Hong Kong's doorstep. A confirmed case in the Guangdong city of Huizhou , just 95 kilometres away, brings the inevitability of infections nearer. Precautionary checks of wet markets and people and poultry crossing from the mainland have been in place since March. Our government is doing its part to stave off the spread of a worrisome virus, but we also have an important role to play by using common sense and being vigilant.22 Aug 2013 - 2:42am
The bug - which infected 130 people on the mainland in March and April, killing more than 40 - may derive its speed from being more readily transmitted from birds to humans than other strains, including H5N1.20 Aug 2013 - 10:32am
The H7N9 bird flu that emerged on the mainland in March may be spreading through human faeces, as university researchers found the virus in the stools of four out of six people killed by the bug in Zhejiang .15 Aug 2013 - 8:15am 8 comments
A Chinese woman infected with the deadly H7N9 bird flu virus died of multiple organ failure, a Beijing hospital said, bringing the total fatalities from the disease to 45.
The 61-year-old tested positive for the virus on July 20 after she fell ill in Hebei province in northern China.13 Aug 2013 - 1:09pm
A top mainland respiratory disease expert rejected the need for a ban on live poultry shipments to Hong Kong to prevent the spread of H7N9 yesterday after Guangdong confirmed its first human case of the bird flu strain last week.13 Aug 2013 - 8:38am 4 comments
A poultry worker was confirmed as having contracted the deadly H7N9 bird flu virus, health officials said, the first case in the southern Guangdong province as nearby Hong Kong remained on alert.
The 51-year-old woman is in critical condition after she was admitted to hospital on August 3 following signs of a fever, the Guangdong Provincial Health Department said on Saturday.11 Aug 2013 - 3:03pm