Effectiveness of BNT162b2 and CoronaVac COVID-19 vaccination against asymptomatic and symptomatic infection of SARS-CoV-2 omicron BA.2 in Hong Kong: a prospective cohort study
Nicole Ngai Yung Tsang, Hau Chi So, Benjamin J. Cowling, GM Leung, Dennis Kai Ming Ip
Topics & Concepts
MedicineAsymptomaticVaccinationCohortSeroprevalencePopulationProspective cohort studyCohort studyPediatricsFamily medicineEnvironmental healthImmunologyInternal medicineSerologyAntibodySARS-CoV-2 and COVID-19 ResearchRespiratory viral infections researchCOVID-19 Clinical Research Studies