Walmart, Humana Expand Coronavirus Testing at Smaller Stores

Health insurer Humana Inc. is expanding access to Covid-19 testing at hundreds of new drive-through sites at Walmart Inc. stores, as well as offering at-home tests to members.

The initiatives come amid reports of hours-long waits for tests in new hot spots like Houston as coronavirus cases surge in many southern and western states.

While testing in the U.S. has expanded dramatically, the rate at which people are getting positive results is outstripping the rise in numbers tested, indicating the virus is spreading faster than the country can find it.

Setting up test sites in big-box-store parking lots was a ...