Dr. Natalie Bocking, Medical Officer of Health, explains COVID-19 immunity for those who have had the virus and why getting vaccinated is still important even after you’ve recovered. #HKPRCOVIDUpdate2021-12-08CoronavirusCOVID-19COVID-19 immunityCOVID19Dr. Natalie BockingHKPRHKPR District Health Unitimmune systemIMMUNITYMediaMedical Officer of HealthUpdateVaccinationVaccineVITAMIN
