New data shows natural immunity might not be a given after COVID-19 infection. Global’s Rachel Gilmore explains. canadaCoronaviruscoronavirus immunitycovidCOVID REINFECTIONCOVID-19COVID19Global Newshealthhealth newsimmune systemIMMUNITYnatural immunityomicronomicron variantpandemicrachel gilmoreShortsVITAMIN
