發送短信

數:

提供者:

CAPTCHA:

 ______    __   __    _  __   _    _             
|      \\  \ \\/ //  | |/ // | || | ||   ____    
|  --  //   \ ` //   | ' //  | || | ||  |    \\  
|  --  \\    | ||    | . \\  | \\_/ ||  | [] ||  
|______//    |_||    |_|\_\\  \____//   |  __//  
`------`     `-`'    `-` --`   `---`    |_|`-`   
                                        `-`

Please enter what you see:

發送短信 : Persistence of W135 Neisseria meningitidis carriage in returning Hajj pilgrims: Risk for early and late transmission to household contacts