JOURNALOFMICROBIOLOGYANDIMMUNOLOGYisanacademic,professionalperiodicalpublishedquarterlybytheCHINESEMEDICALASSOCIATIONanddistributedworldwide.Manuscriptsarewelcomefromanypartoftheworld.AddressmanuscriptstotheEditorialOffice,JournalofMicrobiologyandImmunology,4SanjianfangNanli,ChaoyangDistrict,Beijing100024,China.Manuscripts.ManuscriptsarereceivedontheunderstandingthattheyhavenotbeenpublishedpreviouslyinEnglishandarenotundersimultaneousconsiderationforanotherpublication.Themanuscript,ofwhichthedatashouldbereliable,thestructurebeintactandthecontextbeinalogicalsequence,shallbeofreality.Arecommendationletterbytheinsti