A mutation in H7N9 avian flu virus that can enhance the ability of the virus to infect humans was identified by researchers from the University of Hong Kong, which made the finding public on Wednesday…Full Article: Xinhua Finance Mar 2017
- The H7N9 nucleotide substitution (NS-G540A) mutation enhances viral acquisition and replication in mammalian and human cells.
- In February 2017, as a result of H7N9 avian influenza, live poultry markets in Yueyang and Changsha, northeastern Hunan Province, have been temporarily closed. From January to late February 2017, China reported 88 H7N9 bird flu related deaths. From January to mid-February 2017, Hunan Province alone had reported 5 H7N9 related deaths.
- In January 2017, Macao temporarily suspended live poultry imports due to the detection of an H7 strain of bird flu. As a result of the detection, Macao will cull approximately 14,000 chickens and 4,000 pigeons. During the same month, two individuals in Guangdong Province were found with a mutated form of H7N9 bird flu.
- In December 2016, according to China’s National Health and Family Planning Commission, 106 human cases, including 20 deaths, of H7N9 have been reported in China.
- In mid-December 2016, human cases of H7N9 were reported in Shanghai and Xiamen, Fujian Province.
- In November 2016, a human case of H7N9 was reported in Guangdong Province.
- In July 2016, Shenyang, Liaoning Province, confirmed a human death from H7N9 bird flu.
- In June 2016, a single case H7N9 was reported in Langfang, Hebei Province, while Tianjin Municipality reported two cases (one of the individuals was from Langfang).
- On 16 May 2016, Hong Kong authorities collected a sample from a street market in Tuen Mun District, western Hong Kong, which was later found to contain H7N9 bird flu.
- From January to May 2016, 12 cases of H7N9 were reported in Guangdong Province.
- In April 2016, two cases of H7N9 were reported in Jiangxi Province.
- In March 2016, a case of H7N9 was reported in Hubei Province.
- From January to February 2016, Hunan Province reported 5 cases of H7N9 bird flu in humans.
- In December 2014, 19,000 birds were culled in Hong Kong’s Cheung Sha Wan wholesale market. Additionally, a three week ban on bird imports was instituted. Hong Kong confirmed a human case of H7N9 in a woman who had recently visited Shenzhen.
- During the winter of 2014, China reported cases of H7N9 in Guangdong, Shanghai, Fujian, Jiangxi, Guizhou, and Zhejiang.
- In January 2014, China confirmed 127 cases of H7N9 for that month alone (versus 144 for all of 2013). During January, a total of six human cases of H7N9 have been confirmed in Guangdong Province.
- In early January 2014, Huizhou (Guangdong Province) confirmed it culled 13,000 chickens on a farm after realizing it exported H7N9 infected chicken to Hong Kong.
- By the end of December 2013, mainland China has confirmed 144 H7N9 cases.
- On 10 December 2013, China reported a single case of H7N9 in Zhejiang Province. By January 2014, the Zhejiang provincial health agency had recorded 53 H7N9 human infections. Live poultry markets were shut down in central areas of major cities in Zhejiang Province.
- In April 2013, Chinese cases of H7N9 peak for that year. Cases quickly declined with only a few cases reported in July 2013 before reappearing in October 2013.
- In March 2013, China reports its first human case of H7N9 avian influenza. Outbreaks of this strain of bird flu generally occur in spring and winter.
Hong Kong Trends