WASHINGTON — President-elect Joseph R. Biden Jr., racing in opposition to a surge in coronavirus instances and the emergence of a brand new variant that would considerably worsen the pandemic, is planning a vaccination offensive that requires enormously increasing entry to vaccines whereas promising to make use of a wartime regulation to increase manufacturing.

However his plan is colliding with a sobering actuality: With solely two federally approved vaccines, provides might be scarce for the following a number of months, irritating some state and native well being officers who had hoped that the discharge of a federal stockpile of vaccine doses introduced this week might alleviate that scarcity. Trump administration officials clarified Friday that the present stockpile would go towards giving second doses and to not new teams of individuals.

“The sincere fact is that this, issues will worsen earlier than they get higher,” Mr. Biden mentioned. “And the coverage modifications we’re going to be making, they’re going to take time to point out up within the Covid statistics.”

The president-elect mentioned he would invoke the Protection Manufacturing Act, if essential, to construct up vaccine provide. However the group additionally sought to tamp down expectations. Mr. Biden mentioned his plan “gained’t imply that everybody in these teams will get vaccinated instantly, as a result of provide isn’t the place it must be.” However, he added, it should imply that as doses change into accessible, “we’ll attain extra individuals who want them.”

The Biden group promised to ramp up vaccination in pharmacies and construct cell vaccination clinics to get vaccine to hard-to-reach and underserved rural and concrete communities, emphasizing fairness in distribution.

Mr. Biden spoke of “the tragic actuality of the disproportionate affect this virus has had on Black, Latino and Native American folks,” including that “fairness is central to our Covid response.”

Just like the Trump administration, Mr. Biden referred to as for states to increase the vaccine eligibility teams to folks 65 or older.

The administration will even make “packages accessible for high-risk settings, together with homeless shelters, jails and establishments that serve people with mental and developmental disabilities,” the very fact sheet mentioned.

In some respects, Mr. Biden’s proposals echo these of the Trump administration, which additionally referred to as this week for opening vaccine eligibility to teams to 65 and older, making better use of pharmacies and shifting vaccinations to federally certified well being facilities. The Trump administration has also frequently used the Protection Manufacturing Act to provide vaccine makers precedence with suppliers for uncooked components and different supplies.

Mr. Biden unveiled the vaccine distribution plan at some point after proposing a $1.9 trillion spending package in response to the financial downturn and the pandemic, together with $20 billion for a “nationwide vaccine program.” The president-elect has mentioned repeatedly that he intends to get “100 million Covid vaccine photographs into the arms of the American folks” by his one hundredth day in workplace.