3Cheng Y, Wong R, Soo YO. Use of convalescent plasma therapy in SARS patients in Hong Kong. Eur J Clin Microbiol Infect Dis, 2005,24( 1 ) :44-46.
4Ishii K, Hasegawa H, Nagata N. Neutralizing antibody against severe acute respiratory syndrome( SARS)-coronavirus spike is highly ef- fective for the protection of mice in the murine SARS model. Micro- biol Immunol,2009,53(2) :75-82.