發送短信 : Viral factors in influenza pandemic risk assessment

           _    _   __    __     ___      ______  
    ___   | || | || \ \\ / //   / _ \\   /_   _// 
   /   || | || | ||  \ \/ //   / //\ \\    | ||   
  | [] || | \\_/ ||   \  //   |  ___  ||  _| ||   
   \__ ||  \____//     \//    |_||  |_|| /__//    
    -|_||   `---`       `     `-`   `-`  `--`     
     `-`