Influenza A (H1N1) virus (formerly known as human swine flu virus) is a new influenza virus. This new virus was first detected in humans in the United States in April 2009. As of May 18, 6:00, the World Health Organization (WHO) reported a total of 40 countries worldwide reported a total of 8,829 confirmed cases of influenza A (H1N1), 74 deaths. Among them, China reported four confirmed cases inland, no deaths, and four confirmed cases are imported cases of foreign infection. Influenza A H1N1 fierce, but not terrible, on the materials available, it can be prevented, controlled, treatable. 1, the correct understanding of the symptoms of influenza A H1N1? Influenza A H1N1 patients with general flu symptoms are very similar, generally including fever, cough, sore throat, runny nose or nasal congestion, body aches, headache, chills and fatigue, some people can also be manifested as diarrhea and vomiting. 2, Influenza A (H1N1) is how the infection? Influenza A (H1N1) virus can be transmitted between people, the population is generally susceptible to infection. Patients from the emergence of symptoms before 1 day to 7 days after the onset are infectious, the virus is mainly transmitted to others through the infected person coughing or sneezing, people may also be contaminated by contact with the flu virus objects, and then touch their nose, mouth or eyes and infection. 3.How to do personal protection? Try to maintain good health, ensure sufficient sleep, drink enough fluids and eat nutritious food; avoid close contact with patients with flu-like symptoms (fever, cough, runny nose, etc.); minimize the chances of going to crowded places; wash your hands frequently with soap and running water, and try to avoid touching your eyes, nose and mouth. 4, H1N1 influenza A treatment drugs? U.S. research shows that Tamiflu (also known as oseltamivir) on the H1N1 influenza A virus has an inhibitory effect. Zanamivir on influenza A (H1N1) virus also has a significant inhibitory effect. The confirmed cases can be treated well if taken under the guidance of a doctor in a timely manner. The country will be based on the specific circumstances of the epidemic, the organization of relevant pharmaceutical companies to produce sufficient drugs to deal with the epidemic. 5.H1N1 influenza vaccine is available? There is no vaccine for influenza A (H1N1). World Health Organization and national experts according to the risk assessment of the epidemic, comprehensive consideration to start the epidemic development, production and use of related matters. China is also actively preparing for the production of H1N1 vaccine.