Caused by influenza A viruses virus, a virus called methyl bromide (influenza virus) bacteria are in mucus, saliva, sputum of the patients. Contact by coughing or sneezing or exposure are hand of appliances stained bacteria incubation period.Days of influenza A viruses are 3 types, called type A,B and C, which each type also is divided into sub species, many in each disease caused พันธุ์ย่อย. Only were single. Which is then is immune to breed. Influenza A viruses, some varieties.Disease outbreaks and is called each time according to the name of the country is the source.
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