Can you rely on at-home COVID tests amid Omicron?

“If it's negative, it doesn't mean that you couldn't still have COVID because any test is just a snapshot of what's happening up your nose at that moment. And certainly with Omicron, what we're seeing is people can test negative and then test positive later,” says ​​Susan Butler-Wu, clinical microbiologist and professor at USC’s Keck School of Medicine. Photo by Shutterstock.

The Biden administration plans to send at-home COVID tests to Americans who ask for one. Clinical microbiologist Susan Butler-Wu shares how effective they are.

President Biden’s $2 trillion “Build Back Better” plan includes major climate change reforms, but it’s lacking support, including from Sen. Joe Manchin.

Four months after the U.S. withdrew troops and funding from Afghanistan, residents there can’t afford enough food or fuel. One LA doctor is trying to help.

The documentary “Beanie Mania” looks at how the tiny pellet-filled stuffed animals from the 1990s fueled an investment bubble.

Warm drinks are perfect for winter holidays: Mexican ponche, Nordic glӧgg, mulled wine, mulled apple cider, and hot chocolate.