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1、,Introduction,Features,Measures,Contents,Introduction,Features,Measures,总体概况,Contents,调研方法,Part 1,Influenza H7N9 viruses are a group of influenza viruses that normally circulate among birds.,Introduction,Definition,调研方法,Main symptoms,1.fever2.cough 3.shortness of breath,Features,Part 2,调研方法,Differen
2、ces 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 and those that normally infect animals
3、.,Part 2,Features,调研方法,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 of animal-to-human and person-to-person trans
4、mission is being investigated.,Part 2,Features,Measures,Part 3,(1)hand hygiene(2)respiratory hygiene(3)food safety measures,Prevention,Measures,Part 3,Steps of washing your hands,Prevention,Measures,Part 3,Cover your mouth and nose with a medical mask,tissue,or a sleeve or flexed elbow when coughing
5、 or sneezing;throw the used tissue into a closed bin immediately after use;perform hand hygiene after contact with respiratory secretions.,Respiratory hygiene,Measures,Part 3,Avian influenza is not transmitted through cooked food.To date,no evidence indicates that anyone has become infected followin
6、g the consumption of properly cooked poultry or poultry products,even when these foods were contaminated with the H9N7 virus.,Food safety,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(H7N9)viruses to identify the best candidate viruses.,Vaccine？,Movie,Thanks for your appreciation！,
