This sounds sketchy, but is actually legit.  BCG (tuberculosis vaccine) has been known for some time to have interesting effects on the immune system.   https://www.sciencemag.org/news/2020/03/can-century-old-tb-vaccine-steel-immune-system-against-new-coronavirus   Key quote about what they're doing: Researchers in four countries will soon start a clinical trial of an unorthodox approach to the new coronavirus. They will test whether a century-old vaccine against tuberculosis (T
    • Thank you (+1)
    1