WestVacBiopharmaisfoundedbyAcademicianWeiYuquanfromWestChinaHospitalofSichuanUniversity,togetherwith10scientistsfromStateKeyLaboratoryofBiotherapy(SKLB).ItsheadquarterislocatedintheInternationalBio-Town,Chengdu.TheCEOofWestVacBiopharmaisProf.WeiYuquan,whoistheAcademicianofChineseAcademyofSciencesaswellastheDirectorofStateKeyLaboratoryofBiotherapy.WestVaciscommittedtoexploringthelatestbiotherapytechnologiesformajordiseases,includinginfectiousdiseases,malignanttumors,cardiovasculardiseases,andsoon.IthasattachedgreatimportanceintheResearchandDevelopment(R&D)ofCOVID-19vaccineespeciallyandbuildingaCOVID-19vaccineproductionplatform.StateKeyLaboratoryofBiotherapy(SKLB)wasestablishedbytheMinistryofSciencesandTechnologyofChinain2005andbecameoneoftheNationalR&DPlatformsforNovelDrugsfoundedbytheMinistriesofSciencesandTechnologyaswellasthatofHealthofChinain2008.ItisalsosupportedbyNationalCollaborativeInnovationProgramandhasbecometheNationalCollaborativeInnovationCenterforBiotherapysince2013.WestChinaHospitalofSichuanUniversity，foundedin1892,istheNationalCenterforDiagnosisandTreatmentofSevereandCriticalDiseasesinWesternChina.Itisalsotheworld’slargestcomprehensivehospitalcomplexlocatedinonecampusarea.RelyingonthemedicalresourcesofStateKeyLaboratoryofBiotherapyandWestChinaMedicalCenter,WestVachasadoptedrecombinantproteinmethodologytodeveloptheCOVID-19vaccine.Becauseofthesafetyoftheproteinvaccine,itisalsotheonlyCOVID-19vaccineapprovedfortheuseinchildrenover3yearsoldinChina.ThevaccinewasapprovedbytheNationalMedicalProductsAdministrationforclinicaltrialsonAugust21,2020.PhaseI/IIclinicaltrialshavebeencompleted,andphaseIIIclinicaltrialsarebeingcarriedoutinNepal,Kenya,Japanandothercountries.Thevaccinetargetsthespikeproteinbindingdomain(S-RBD)ofSARS-CoV-2,producingneutralizingantibodiestoblockCOVID-19infectionofhumancells.TheresultwaspublishedonNature,theworld’sfamousscientificjournalonJuly29th,2020.IthasalsobeenthefirstpaperofCOVIDvaccinepublishedbyNaturesincethepandemicoutbreak.TheS-RBDgeneoftheCOVID-19virusisintroducedintotheinsectcells,whichwereusedasafactorytoproducehigh-qualityrecombinantvaccineproteinandthendoesrefinedpurification.Suchtechnologyiseasytobemass-producedandbroughttothemarket.WestVacBiopharmaiscommittedtobecomingtheworld`sleadingvaccineandimmunotherapyplatform.