Some people with coronavirus have said they don’t know how they got it. Infectious disease expert Michael Osterholm joins “CBS This Morning” to discuss how long it could take for symptoms to show up and how long the virus may live on surfaces. ContagiousCoronaviruscoronavirus immunityCOVID-19Diagnosedimmune systemIMMUNITYquarantinedsymptomsvideoVIRUSVITAMINvlogYouTubeRelated Posts What Happens When the Immune System Learns to Tolerate COVID? January 6, 2026 What Happens When the Immune System Learns to Tolerate COVID? January 5, 2026 So much #research happening!#covid19 #doctor #themoreyouknow #immunity #virus #antibodytesting January 3, 2026 Immune System vs. Viruses: Can We Ever Win? #shorts December 23, 2025 Probiotics, Immunity & COVID – Why I Waited for the Research December 19, 2025 Did Covid Change Your Brain? Doctor Explains December 17, 2025
So much #research happening!#covid19 #doctor #themoreyouknow #immunity #virus #antibodytesting January 3, 2026