COVID-19 Immunity Not Guaranteed After Positive Test

Now Playing

COVID-19 Immunity Not Guaranteed After Positive Test

Next Up

These States Set All-Time June Heat Records

Northeast Heat Relief; Mid-Atlantic Still Sizzles

Millions Sweltering In Sprawling Heat Dome

Heat Wave Buckles Missouri Road, Sends Car Flying

Dangerous Heat Grips New York: How To Stay Safe

Mental Health Tips To Navigate The Heat Wave

No AC? How To Cool Your Home In Extreme Heat

3 Serious Conditions Caused By Heat

The Hidden Dangers Of A Heat Wave At Night

Hot Advice From An ER Doc

5 Ways To Beat The Heat When You Sleep

How You Can Tell Your Dog Is Overheating

Here’s How To Cool Down Quickly In Extreme Heat

How to Stay Safe In a Dangerous Heatwave

How Fans Can Keep You As Cool As Air Conditioning

The Key To Cooling Your Car This Summer

What's The UV Index?

You Probably Need to Wash This Body Part More Often

Your 2025 Travel Cheat Sheet

Your #1 Defense Against Wildfire Smoke

Your New Must-Have: Wearing Sunscreen Indoors

Europe’s Worst Cities For Summer Allergies

Are Sunglasses Really Protecting Your Eyes?

Is Your Car Ready For A Summer Road Trip?