禽流感H7N9英文PPT介紹

1、h7n9 introduction introduction features measures contents introduction features measures 總體概況 contents 第一部分 調(diào)研方法 part 1 influenza h7n9 viruses are a group of influenza viruses that normally circulate among birds. introduction definition 第一部分 調(diào)研方法 main symptoms 1.fever 2.cough 3. shortness of breath

2、features part 2 第一部分 調(diào)研方法 differences from h5n1 and h1n1 (1)all three viruses are influenza a viruses but they are distinct from each other. (2)h7n9 and h5n1 are considered animal influenza viruses that sometimes infect people. (3) h1n1 viruses can be divided into those that normally infect people a

3、nd those that normally infect animals. part 2 features 第一部分 調(diào)研方法 the ways people get infected some of the confirmed cases had contact with animals or with an animal environment. the virus has been found in a pigeon market in shanghai. it is not yet known how persons became infected. the possibility

4、of animal-to-human and person-to- person transmission is being investigated. part 2 features 第二部分 measures part 3 (1) hand hygiene (2) respiratory hygiene (3) food safety measures prevention 第二部分 measures part 3 steps of washing your hands prevention 第二部分 measures part 3 cover your mouth and nose wi

5、th a medical mask, tissue, or a sleeve or flexed elbow when coughing or sneezing; throw the used tissue into a closed bin immediately after use; perform hand hygiene after contact with respiratory secretions. respiratory hygiene 第二部分 measures part 3 avian influenza is not transmitted through cooked

6、food. to date, no evidence indicates that anyone has become infected following the consumption of properly cooked poultry or poultry products, even when these foods were contaminated with the h9n7 virus. food safety 第二部分 measures part 3 no vaccine for the prevention of influenza a(h7n9) infections is currently available. however, viruses have already been isolated and characterized from the initial cases. who, with partners, will continue to characterize available influenza a