The White House said on Tuesday that People had been now eligible for a 3rd order of free, at-home coronavirus exams shipped via the Postal Service. The transfer doubled to 16 the full variety of exams this system has made obtainable to every family.

The exams, approved by the Meals and Drug Administration and obtainable on the federal web site covidtests.gov, lengthen a pledge President Biden made through the brunt of the winter Omicron wave, when People confronted scarce provides of exams, empty cabinets and lengthy traces.

Below withering criticism for these shortages, Mr. Biden promised a billion at-home exams, and his administration secured commitments for a whole lot of hundreds of thousands of them. The White Home has stated that half of them could be distributed via the Postal Service program. Over 70 million U.S. households — greater than half the households within the nation — have ordered exams that approach to date, and roughly 350 million exams have been delivered.

The chance to order extra exams comes at a still-perilous second within the pandemic. The typical variety of new confirmed circumstances reported day by day in the USA has tripled since the start of April, reaching greater than 95,000 as of Monday, in line with a New York Instances database. Hospitalizations are additionally growing, by 26 p.c nationally during the last two weeks. New deaths from the virus are all the way down to about 300 a day on common — partly a mirrored image, public well being specialists have stated, of the safety towards extreme illness that many People have acquired from being vaccinated or from getting over a past coronavirus infection.

Fast at-home exams, which generally ship outcomes inside quarter-hour, have turn into extra prevalent and accessible in pharmacies, making the full variety of virus circumstances across the nation harder to trace. Individuals who take a look at optimistic utilizing at-home exams sometimes don’t report the outcomes to native well being departments, so many new infections are going uncounted.

Nonetheless, with extra transmissible types of the virus spreading in current months, the exams proceed to be vital sources for a lot of People, together with those that can rapidly diagnose an an infection and obtain antiviral remedies similar to Paxlovid.

The variety of programs of Paxlovid distributed has elevated greater than 300 p.c over the previous month, in line with the Division of Well being and Human Companies.

Dr. Ashish Ok. Jha, the White Home’s Covid-19 response coordinator, stated on Tuesday that the brand new spherical of at-home exams had been an necessary useful resource to assist folks keep away from spreading the virus.

“Going to a big gathering? Use fast exams to not be the one that brings Covid to the social gathering,” Dr. Jha wrote on Twitter. “Visiting a susceptible relative? Use rapids exams to maintain them secure.”

The White Home has warned that with out extra funding from Congress, the administration might not have the ability to “maintain” home take a look at manufacturing this 12 months, probably resulting in firms winding down manufacturing and leaving the nation extra blind to the virus if demand for the exams ought to surge and go unmet.

Producers proceed to have the ability to churn out the exams, in line with Mara Aspinall, an professional in biomedical diagnostics at Arizona State College who’s on the board of administrators of OraSure, which makes coronavirus exams. Producers which have obtained federal authorization might make an estimated 422 million fast at-home exams this month, and 402 million subsequent month, down from a peak of 535 million in February, in line with figures Ms. Aspinall collected.