diego arcoa and his red cross unit here in mexico are on their way. diego: the patient has respiratory problems and all the other symptoms. >> it's another tough day for the team. the pandemic has likely been at its peak here for weeks. nobody knows for sure. there's very little testing. diego: it's distressing not knowing how many are really infected, so we won't know when this is going to end. oscar: we don't get enough sleep. we're stressed out. some of our colleagues have been infected. some have died. >> they never know what awaits them. when the medics go in, what they hear doesn't sound good. the man is 81 years old and a diabetic. his blooood oxygen level is to low. he can hardly breathe. he has 3 38 degree fever. he hasn't been able to stand for three days. >> it's probably covid. let's take him to hospital. >> but just as the crew is getting ready, the transport is suddenly cancelled. jose: if they take him away, he may never come back. >> diego arcoa leaves the patient, whose chances don't look good, with a heavy heart. diego: family ties ar