發送短信 : Effects of protection and illusion of protection in disease control : a simulation study

  ______   _    _    __   __     ___      ______  
 /_   _// | || | ||  \ \\/ //   / _ \\   /_____// 
   | ||   | || | ||   \   //   | / \ ||  `____ `  
  _| ||   | \\_/ ||   / . \\   | \_/ ||  /___//   
 /__//     \____//   /_//\_\\   \___//   `__ `    
 `--`       `---`    `-`  --`   `---`    /_//     
                                         `-`