so congestion, conjunctivitis or reddened eyes and these spots on your cheek called koplik's spots. >> okay. so we put some of these up as well as possible symptoms diarrhea. >> and of course you get the rash after which is really the way that a lot of people recognize it. >> oh okay. and what are some of the complications. what could result from a measles infection. >> so after measles infection you can either get, you know, pneumonia in the lungs, brain, involvement. called encephalitis. and there's a long covid version of measles called, that can happen up to seven years after measles, it's not very common, but it's caused by persistent inflammation. could it be fatal? yes, it in about, to 2 in every thousand, people who get it, actually die. and, you know, it is one of the big, global killers around the world, mainly due to, vaccination. >> i mean, didn't we eradicate it? that's how it was reported for decades, right? or at least here in the us. what happened? >> yeah. so in 2000, we actually called it eradicated. but what happened over time is that, because the rest of the world