Ongoing power outages resulting from harsh weather conditions are highlighting the importance of ensuring that critical medical equipment always has the resources to function properly.

This week’s freezing temperatures and winter storms in Texas led to far fewer power outages than a similar freeze last year.

But worryingly, a handful of Texas counties with high rates of power outages also have high numbers of people who need power for medical devices, according to a new analysis by the data group CrisisReady.

Losing electricity in bitter cold is always dangerous, but it’s particularly scary for people who rely on it to keep medical devices like ventilators running.

Read the full story at The Verge.