upended by this virus. i want to warn you some of this may not be easy to watch gabe gutierrez reports from inside a covid icu in maryland. reporter: when a patient s heart stops, seconds matter this is a code blue. an older covid patient unvaccinated this is as urgent as it gets this is the acute time frame. we re here trying to save someone s life. reporter: the frantic scene as heart-breaking as it is familiar. we are going to intubate. reporter: she never imagined she would be so busy. it s very tough you go to the bathroom and you cry and you come back and you do it all over again. reporter: this was supposed to be her day off. she came in anyway why? because i m a nurse. i m a nurse. and i signed up to be a nurse. the patients did not sign up for covid. reporter: just outside d.c., doctor s community health center in maryland has seen a 925% jump in