Harvard Global Health Institute Director Dr. Ashish Jha explains the promising findings of several recent studies that found monkeys and humans can develop coronavirus immunity, and what the results mean for a possible vaccine. Coronaviruscoronavirus immunityCOVID-19COVID19doctorHarvardimmune systemIMMUNITYnewsquotquotgoodSharesstudiesvideoVITAMINvlogYouTubeRelated Posts Did Your Allergies Get Worse After COVID? Watch This February 26, 2026 There may be a universal vaccine in the future. #science #vaccine #doctor February 21, 2026 The Immune Shift No One Explains After COVID February 19, 2026 Doctor Reacts: Covid masks in 2026?! February 19, 2026 ‘Particularly capricious’: Doctor weighs in on undermining of mRNA technology February 15, 2026 COVID’s Hidden Impact: Immune System Triggers Explained #shorts January 30, 2026