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Just a day after President Biden issued broad mandates aimed at encouraging American workers to vaccinate against the coronavirus, federal health officials have released new data showing unvaccinated Americans are 11 times more likely to die from Covid-19 than vaccinated people.

Three major studies published Friday by the Centers for Disease Control and Prevention also highlighted the effectiveness of vaccines in preventing infection and hospitalizations with the virus.

The research highlighted a deep belief among scientists that vaccine hesitancy and rejection is prolonging the pandemic. In talks, many experts said the administration’s new plan should stop the flood of infections and bring the country back to some normalcy in the long run.

Brown University School of Public Health dean Dr. “It will fundamentally change the spread of the current volatility,” Ashish Jha said. “This is exactly what is needed right now.”

The new data could also help boost confidence in the country’s vaccines, which has been eroded amid reports of unexpected epidemic infections.

One of the studies looked at more than 600,000 virus infections in 13 states, representing nearly a quarter of the U.S. population, between April and July. The researchers concluded that Americans who are not fully vaccinated are much more susceptible to infections, illness, and death from the virus.

Even after the delta variant became dominant in the United States over the summer, the protections of the vaccines remained strong: Compared with vaccinated adults, those who were not fully vaccinated was 4.5 times more likely 10 times more likely to be infected, hospitalized, and 11 times more likely to die from Covid.

The researchers made it clear that the cumulative data cannot hope to end the pandemic in the nation, as nearly 37 percent of Americans have not received a single dose of the Covid vaccine. Cases and hospitalizations are expected to increase as Americans move into homes, schools and offices in the fall.

This is why scientists generally welcome the Biden administration’s strong vaccine pressure. Natalie Dean, a biostatistician at Emory University in Atlanta, said mandatory vaccinations will be crucial to contain the virus as it has become endemic in the United States: “It’s part of the shift from short-term responses to long-term solutions.”

Still, some experts have warned that it will take several weeks for results from the administration’s plan to emerge. It’s unclear when the new requirements will be finalized or how the legal challenges promised by Republicans will end up in the courtrooms. Moreover, while the administration says its mandate will cover 100 million American workers, no one knows how many have already been vaccinated.

In any case, immunization is not an instantaneous process – at least six weeks for a two-dose vaccine. The administration did not highlight measures that work faster to stop the virus: masking and widespread rapid testing, for example.

The country will need every tool at its disposal to fend off the Delta variant, an enemy far more formidable than the original version of the virus. The variant became the dominant version of the virus in the United States only in mid-July, and its consequences were beyond anything experts had predicted.

In June, the reassuringly low number of cases and hospitalizations rose inexorably for weeks to nearly 10 times their previous levels. About 1,500 Americans die every day, the vast majority of whom are unvaccinated.

New CDC research has found that much of the misery is preventable. An analysis of 32,867 patient visits across nine states found that, even when the Delta variant was dominant, the vaccines were less protective for adults aged 75 and older, with an overall effectiveness rate of 86 percent in preventing hospitalizations.

The Moderna vaccines had the highest efficacy rate of 95 percent, compared with 80 percent for Pfizer-BioNTech and 60 percent for the Johnson & Johnson vaccine.

As the variety spread, the effectiveness of vaccines in preventing infection dropped from 91 percent to 78 percent. The effectiveness of the Moderna vaccine against infection was 92 percent, compared to 77 percent for the Pfizer-BioNTech vaccine and 65 percent for Johnson & Johnson.

“There’s more groundbreaking infections happening before – it’s a real phenomenon,” said Heather Scobie, an epidemiologist at the CDC and lead author of the largest of the studies. “But mostly people don’t go to hospitals if they have their vaccines.”

Dr. Dean said the new data shows that vaccine mandates will protect millions of people against particularly serious diseases and ease the pressure on the health system. It also “sets a precedent for other organizations to make similar decisions,” he added about powers.

The administration’s new powers also include healthcare workers, which require any provider receiving Medicaid or Medicare funding to impose a vaccination requirement on staff members. Experts said this measure likely had an immediate effect, as healthcare facilities are high-risk environments for transmission.

Dr. Jha said that the decision to hold hospitals to certain standards – particularly the historical directive to segregate patients by race – has plenty of historical precedent.

“We have a real lack of leadership coming from non-mandatory healthcare systems within their own organizations, and it’s imperative that the president want patients to be protected,” he added.

This requirement may drive some health and nursing home workers, particularly those close to retirement age, to leave the profession and exacerbate staff shortages. Even so, the founding director of Boston University’s Center for Emerging Infectious Diseases Policy and Research, Dr. Nahid Bhadelia said that with powers there is more to be gained than lost.

“This is an important step to get us out of the pandemic,” he said. “People who care for vulnerable people who come to the hospital need to be our first line of defense.”

Ministry of Labor will order all private sector Businesses with more than 100 employees require their workforce to be fully vaccinated or tested at least once a week. Employers will need to give employees paid leave to be vaccinated.

This move alone will affect 80 million Americans. But Bill Hanage, an epidemiologist at Harvard University, was skeptical that the instructions would be successful in vaccinating millions of people from those who had chosen the vaccine.

He noted that some of the most urgently needed protection are older adults who will not be affected by workplace requirements. New CDC research Friday confirmed that this population is particularly vulnerable.

A study conducted at five Veterans Affairs medical centers, where patients tend to be burdened by chronic diseases that contribute to severe Covid disease, found that vaccines ‘ protection against hospitalization decreases with age, It dropped to 80 percent for those 65 and older and 95 percent for adults ages 18 to 64. A second study found that vaccine efficacy declines at age 75.

And the authorities are already drawing criticism from conservative Americans. Republican governors in many states denied powers They say it’s unconstitutional and they plan to sue to stop them.

Dr. “My question is whether this is really getting people vaccinated or just increasing the political temperature around it,” Hanage said.

More than half of Americans favor vaccination orders for workplaces, but in a recent survey, 87 percent of those who were not vaccinated said they would not be vaccinated even if employers demand to them.

Several experts insisted that the vaccine is the way out of the pandemic, saying officials in both the Trump and Biden administrations failed to stress the importance of masks, testing and ventilation.

A global health expert at Duke University, Dr. “There are many measures that are left on the table, such as a closed mask requirement linked to community transmission rates or minimum ventilation standards for schools and workplaces,” said Gavin Yamey.

Recently, Dr. Yamey couldn’t find a single Binax rapid test within a 100-mile radius of Durham, NC – “that’s pathetic,” he said. “I was recently in the UK where home antigen tests are free and plentiful.”

Simple and inexpensive tests are crucial for monitoring the rise and fall of the virus, he said. Make another plan.”

The Occupational Safety and Health Administration, which regulates workplace safety, will require private businesses to have their employees vaccinated or provide weekly proof of negative tests.

However, weekly tests against the Delta variant are unlikely to be helpful, as the virus multiplies rapidly in the airways and the infection quickly becomes contagious. Dr. Bhadelia said businesses in hard-hit areas should consider testing at least twice a week.

Many public health experts said that, encouraged by the administration, Americans felt “uneasy” when they prematurely celebrated the summer of recovery from the virus. But while most of the world is still unprotected from the virus, new variants may rise again in the country.

“We need an honest conversation about goals about what it means to be on the other side of the pandemic stage of this crisis,” he said. “This is a once-in-a-century epidemic and we need to fix course – and it’s okay to do that.”