Immunity Amnesia
#TIL When infected with measles, the immune system takes a reboot and abruptly erases every memory of pathogen it’s had before, essentially making your body vulnerable to infections. Rebuilding immunity takes years… in 2002, a group of Japanese scientists discovered that the receptor the measles virus binds to – a kind of molecular lock that allows it to enter the body – isn’t in the lungs, as you would expect for a respiratory virus. Instead, it’s on cells from the immune system. ...