The federal government on Monday started taking orders for a third round of COVID-19 test kits to be mailed to any American household.
A Health and Human Services website on Monday said that all U.S. households were eligible to order a third round of tests. Each order now contains eight rapid antigen tests, USPS website says. Previously, four tests were sent out at a time.
A spokesperson for the White House said Monday night that more details were expected to be released Tuesday.
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President Joe Biden in December announced a plan to ship free at-home tests to people across the country, and the website with the first tests went live in January.
A second round was announced in March.
The third round of at-home tests comes as the number of new COVID-19 cases has been increasing in recent weeks, although whether that factored into the latest round of tests was not immediately clear.
This story originally appeared on NBC News.