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Book Description paperback. Condition: New. Language:Chinese.Pages Number: 43 Publisher: China Agricultural Pub. Date :2004-02-01 version 1. Contents: First. the concept. the incidence and characteristics of an epidemic. What kind of influenza virus is a virus. why is prone to mutation (2) wild infected bird flu virus. how 3 migratory birds caused by avian flu pandemic is one of the main do 4 to prevent the bird flu virus to spread to poultry in 5 avian influenza virus is a new virus that we do it understanding of how deep 6 resistance. Seller Inventory # LG4633