seen their own families for days say, believe the warnings. take precautions, that this is getting worse. abc s kaylee hartung riding along with them in riverside county, california, tonight. [ sirens ] reporter: paramedic bill titov is the first one through the door, armed in ppe, when cal fire station 71 gets a call. often keep in mind, in the back of your mind that you have a family that you want to go home to and friends you want to go home to. reporter: he hasn t seen his family in ten days. his station here in palm desert, california, one of the busiest in the country. in the extreme heat fire captain pete tierney says the n95 masks make it even harder to breathe. the guys are getting tired, physically tired and mentally tired. reporter: and there s no end in sight? not as of right now, no. reporter: every day there are about a dozen scenes like this. we just pulled up to this elderly care facility where a woman has signs and symptoms of covid. we accompanied their