Tuberculosis is the deadliest killer in human history, responsible for one in four deaths for almost two centuries. While it shaped medical pursuits, social habits, economic development and public policy, TB and its impact are poorly understood. camera phoneCoronaviruscoronavirus immunityCOVID-19Forgottenfreeimmune systemIMMUNITYPlaguesharinguploadvideovideo phoneVITAMINvlogYouTubeRelated 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