Experts say rapid home tests still work to detect the latest variants of the virus that causes Covid-19, but how and when home tests are used has changed.

Many specialists see rapid at-home COVID tests as a crucial tool in the off-ramp to the pandemic -- assuming Americans know how and when to use them.

People are confused about coronavirus rapid tests — How good are they? When should you use them? Do they work? — all while the government is giving out free ones to households across the country.

As Covid cases rise, at-home tests are a critical tool to keep yourself and others safe. Here are answers to a few common questions about when and how to use them.

Experts discuss what it might mean if you get a faint line on a home COVID-19 test, when to take another test and what precautions to take.

A false positive result is possible with a rapid COVID-19 test. It happens when a person does not have COVID-19 but still tests positive for the disease.