📍Huge—ANOTHER PROVEN RE-INFECTION—This one is much more serious than Hong Kong reinfection. 25-year-old patient from Nevada got sick March 25th, recovered (2 neg tests), but got *EVEN MORE SICK* May 28th & hospitalized. Key—completely distinct 🧬 #SARSCoV2 coronavirus lines! 🧵 pic.twitter.com/J5DKw2xIFB

— Eric Feigl-Ding (@DrEricDing) August 28, 2020