Human infection with avian influenza A(H7N9) virus – China
Wednesday, 2017/03/01 | 08:01:48
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WHO 27 February 2017 (Disease outbreak news)
On 18 February 2017, the National Health and Family Planning Commission of China (NHFPC) reported to WHO the results of genetic sequencing on virus isolates from two previously reported cases of human infection with avian influenza A(H7N9) virus from Guangdong province. Changes at the cleavage site of the HA gene suggestive of being highly pathogenic to poultry was confirmed by the Chinese National Influenza Centre of the Chinese Centre for Disease Control and Prevention (China CDC). Details of the casesThe two cases were reported through International Health Regulations (IHR) notification on 19 January 2017.
Investigation revealed exposure to sick and dead poultry. None of the 105 close contacts of these two cases developed symptoms during the two weeks of medical observation. To date, there is no evidence of changes in pathogenicity to and transmissibility among humans. Public health responseConsidering the new developments in H7N9 genetic sequence, the Chinese government is implementing additional measures in Guangdong province on top of current existing measures:
See more: http://www.who.int/csr/don/27-february-2017-ah7n9-china/en/ |
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