WASHINGTON (AP) — For months, President Joe Biden has laid out goal after goal for taming the coronavirus pandemic and then exceeded his own benchmarks. Now, though, the U.S. is unlikely to meet his target to have 70% of Americans at least partially vaccinated by July 4.

The White House has launched a month-long blitz to combat vaccine hesitancy and a lack of urgency to get shots, particularly in the South and Midwest, but it is increasingly resigned to missing the president’s vaccination target. The administration insists that even if the goal isn't reached, it will have little effect on the overall U.S. recovery, which is already ahead of where Biden said it would be months ago.

About 15.5 million unvaccinated adults need to receive at least one dose in the next four weeks for Biden to meet his goal. But the pace of new vaccinations in the U.S. has dropped below 400,000 people per day — down from a high of nearly 2 million per day two months ago.

Dr. Anthony Fauci, the nation’s top infectious disease expert, told reporters at a briefing on Tuesday that he still hopes the goal will be met “and if we don’t, we’re going to continue to keep pushing.”

So far 14 states have reached 70% coverage among adults, with about a dozen more on pace to reach the milestone by July 4. But the state-to-state variation is stark.

Fauci said the administration is “pleading" with states, particularly those with low vaccination rates, to step up their efforts in the coming months, though some of the states trailing behind are hardly sharing the urgency.

On a conference call Tuesday, White House COVID-19 coordinator Jeff Zients delivered an impassioned call for governors to join the administration in “pulling out all the stops” on vaccinations this month. “We need your leadership on the ground – which is where it matters the most – more than ever,” he said.

In Mississippi, which trails the nation with only about 34% of its population vaccinated, Republican Gov. Tate Reeves has called Biden’s goal “arbitrary, to say the least.”

The vaccination rate in the state has dropped off so sharply that it would take the better part of a year for the state to reach the 70% target.

Speaking to CNN on Sunday, Reeves said he encouraged residents to get vaccinated, but that the more important marker was the decline in cases in the state.

That sentiment makes winning over people like University of Mississippi student Mary Crane all the more important to Biden meeting his goal. She hasn’t felt much urgency to get the COVID-19 vaccine because she’s already had the virus, and the family she's living with during the summer break has been vaccinated.

“Initially, it was to wait on everyone else to get it and not take a vaccine,” she said, explaining why she hasn’t been vaccinated. “But now that it’s available, there’s really not a reason I haven’t gotten it, other than I just haven’t gotten it.”

Crane, 20, said she’s seen classmates who were eager to get the vaccine right away — there was a trend when the vaccine first came out of posting vaccination cards on social media sites like Instagram. But now that the vaccine has been available for a few months, Crane said she sees fewer young people talking about it.

“Everything’s pretty much back to normal now,” she said.

Fauci on Tuesday emphasized that increased vaccination was essential to stamping out potentially dangerous variants, including the so-called “Delta variant” first identified in India that is now the dominant strain in the United Kingdom and is growing in the U.S. Vaccines have proven less effective against that variant when people are not fully immunized, and evidence points to it being more transmissible and more deadly.

In an attempt to drive up the vaccination rate, the White House has worked to encourage an array of incentives for people to get shots — from paid time off to the chance to win a million dollars. It's partnered with community groups, businesses and health providers to make it easier than ever to get a shot. Those efforts have helped sustain some of the interest, but the trends point to Biden missing the target by several percentage points.

In Ohio, Republican Gov. Mike DeWine created a lottery offering $1 million prizes for vaccinated adults and full-ride college scholarships for children. Ohio’s lottery kicked off a wave of similar incentive lotteries nationally.

DeWine’s May 12 announcement of the state’s Vax-a-Million program had the desired effect, leading to a 43% boost in state vaccination numbers over the previous week. But the impact was short-lived, with vaccinations falling again the following week.

For some, the chance of winning $1 million isn’t enough to overcome skepticism about the need for the vaccine.

Joanna Lawrence of Bethel in southwestern Ohio says the COVID-19 survivability rate is so high, and the experiences of people she knows who took the vaccine are so bad, that she sees no need to risk a shot for herself. She made it through her own bout of the coronavirus in August.

“My life is not worth money,” said Lawrence, 51, who farms and works in commercial real estate. “I can always get more money if I need to. I cannot get another life.”

White House press secretary Jen Psaki declined to make a prediction on whether the goal would be met but said the administration was using “ every tool at our disposal to get there,.”

“Regardless of where we are on July 4th, we’re not shutting down shop," she said. “On July 5th, we’re going to continue to press to vaccinate more people across the country.”

Husband and wife Keila Moore 41, and Willie Moore, 42, of Pearl, Mississippi, have disagreed on whether to get the COVID-19 vaccine.

Willie said he knew he wanted to get it because he has high blood pressure and other preexisting conditions and is a frontline worker.

“As soon as I had the chance to get it, I took it,” said Willie, who was vaccinated in February.

But Keila, who doesn’t have preexisting conditions and works from home, has so far chosen not to be vaccinated.

After her husband was vaccinated, she tested positive for the virus. She said it was a mild case, but that it was still a scary experience. She said she’s feeling more open to getting the vaccine, and is considering getting it this fall, if reports of side effects continue to be minimal.

“I’m just still weighing the options and the time frame,” she said. “I’m a little bit more confident in it now as the time is going by because the time is going by and I’m not really seeing any side effects that are too worrisome.”

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Willingham reported from Jackson, Mississippi. AP writer Andrew Welsh-Huggins contributed from Columbus, Ohio.