WASHINGTON — With the tempo of U.S. coronavirus vaccinations comparatively flat, President Biden will name on Tuesday for employers to arrange clinics at work and to supply paid day off for employees as a part of a renewed push to achieve tens of thousands and thousands of People who stay unvaccinated, a White Home official mentioned.

Simply two days after he hosted a big White House Fourth of July celebration and declared “America is coming again collectively,” Mr. Biden is popping his consideration to a public well being conundrum: Regardless of his administration’s aggressive push, he has not met his self-imposed purpose of having 70 percent of adults at least partially vaccinated by now, and officers have already tried many strategies.

Talking on the situation of anonymity to preview the president’s remarks, the official mentioned Mr. Biden would word a unique metric: By the top of the week, practically 160 million People, not fairly half the inhabitants, will probably be totally vaccinated. With the worrisome Delta variant spreading shortly across the nation, he’s anticipated to say, that won’t be sufficient to completely stop new outbreaks in areas with decrease vaccination charges. Though there’s not but good knowledge on how all the vaccines maintain up in opposition to Delta, a number of extensively used photographs, together with these made by Pfizer-BioNTech, are nonetheless efficient in opposition to the Delta variant after two doses, research suggests.

Suppliers have been administering about 1.09 million doses per day on common, as of Friday, a few 68 % lower from the height of three.38 million reported on April 13.

Just like the vaccination marketing campaign, declines within the virus itself seem to have stalled nationally. After a pointy drop in virus circumstances, the common variety of new each day circumstances throughout the nation seems to have leveled off and stay near the bottom level since testing grew to become extensively out there. Mr. Biden intends to underscore that total progress in his remarks on Tuesday, however pockets of outbreaks stay. In some components of Texas, Arkansas and Missouri, as an illustration, there was a pointy rise in circumstances.

Mr. Biden will use his remarks to stipulate 5 areas of focus for his administration, all avenues it has already pursued: focused, group by group, door to door outreach to get the remaining People vaccinated; a contemporary push to get vaccines to major care medical doctors; a lift in efforts to get vaccines to pediatricians and different suppliers who serve youthful individuals in order that adolescents ages 12 to 18 can get their photographs; expanded cell clinic efforts and the office adjustments.

It’s unclear what else the administration can do. Public well being officers know that the final stretch of any vaccination marketing campaign is essentially the most arduous — a degree Dr. Anthony S. Fauci, Mr. Biden’s prime medical adviser for the pandemic, made in a current interview.

“The final mile is all the time the toughest,” Dr. Fauci mentioned, including, “We’re really on the final quarter mile.”