For some people, getting a positive coronavirus test could mean loss of income or other life disruptions. Doctors worry about growing disincentives to test and how this could prolong the pandemic.

The Biden administration says Americans should be able to order COVID-19 tests online later this month. Those who are eligible can get eight free over-the-counter at-home tests a month.

With a fast-growing winter surge upon us, self-testing kits remain expensive and hard to find. The reasons go back to the approach the U.S. took from the outset in developing tests.

The federal regulatory agency says the recall stems from a manufacturing defect found in some 2 million tests.

The investment is a response to an ongoing national shortage and follows a $2 billion investment in September to supply rapid tests to community health centers, food banks and schools.

The Food and Drug Administration gave emergency authorization to Ellume's rapid test in December, after it showed 96% accuracy in a U.S. clinical study.