As covid continues to evolve, we are learning of a new variant, XBB1.5. Dr. Mick Singh from HealthX talked to me about how this variant is different and how you can stay on top of testing. ChicagoCoronaviruscoronavirus immunityCOVID-19COVID19daytime chicagoimmune systemIMMUNITYlocal chicago productsnewsProductsVITAMIN