(NEW YORK) — The United States is facing a COVID-19 surge this summer as the more contagious delta variant spreads.

More than 639,000 Americans have died from COVID-19 while over 4.5 million people have died from the disease worldwide, according to real-time data compiled by the Center for Systems Science and Engineering at Johns Hopkins University.

Just 61.3% of Americans ages 12 and up are fully vaccinated against COVID-19, according to data from the Centers for Disease Control and Prevention.

Here’s how the news is developing Wednesday. All times Eastern:

Sep 01, 6:54 pm
US hospital admissions could surge to 22,000 a day by late September: CDC

On average, approximately 12,200 Americans are being admitted to the hospital each day with COVID-19. The forecast models used by the CDC suggest that by Sept. 27, that number could surge to as high as 22,400 a day.

The lower end of the forecast puts the daily hospital admissions at around 6,400.

There are signs the rate of hospital admission nationwide may be slowing, with the U.S. Centers for Disease Control and Prevention reporting hospital admissions will likely “remain stable or have an uncertain trend over the next 4 weeks.”

Kentucky currently tops the list of states expected to see the most hospital admissions, per capita, in the next two weeks, followed by Florida and Georgia.

-ABC News’ Arielle Mitropoulous

Sep 01, 6:08 pm
Medical, pharmaceutical associations call for ‘immediate’ end of prescribing deworming drug ivermectin for COVID-19

The American Medical Association, American Pharmacists Association and American Society of Health-System Pharmacists are calling for an “immediate end” to prescribing, dispensing or using the deworminig drug ivermectin to treat or prevent COVID-19.

Ivermectin is available in different formulations for both people and animals to treat parasites. It is not approved to treat or prevent COVID-19, nor is there enough evidence to support its use. Though amid a surge in COVID-19 cases in the U.S., internal data from the Centers for Disease Control and Prevention reviewed by ABC News estimates a 19-fold increase of the medicine being distributed during the first week of August, alongside an increase in reported cases of illness related to ivermectin toxicity.

The prescribing and dispensing of ivermectin has increased 24-fold since before the pandemic, according to the medical and pharmaceutical associations, which said in a joint statement they were “alarmed” by an exponential increase in recent months as well.

“[We] are urging physicians, pharmacists, and other prescribers — trusted healthcare professionals in their communities — to warn patients against the use of ivermectin outside of FDA-approved indications and guidance, whether intended for use in humans or animals, as well as purchasing ivermectin from online stores,” the associations said. “Veterinary forms of this medication are highly concentrated for large animals and pose a significant toxicity risk for humans.”

-ABC News’ Sony Salzman

Sep 01, 5:37 pm
Moderna submits data to FDA on vaccine booster

Moderna has submitted initial data to the U.S. Food and Drug Administration on its vaccine booster, the pharmaceutical company announced Wednesday.

Its booster candidate would be half the dose (50 micrograms) of the original dosing (two shots of 100 micrograms each).

Federal officials have said they hope to begin administering booster shots for many Americans starting on Sept. 20, with the third shot at least eight months after the second.

The FDA has only authorized booster shots of Pfizer’s and Moderna’s COVID-19 vaccines for people who are immunocompromised. The Centers for Disease Control and Prevention’s independent advisory board also recommended booster shots for those with weakened immune systems.

Pfizer is also seeking authorization for a third dose of its COVID-19 vaccine. The FDA announced Wednesday it will hold a public meeting of its independent advisory committee on Sept. 17 to discuss the application.

-ABC News’ Eric Strauss

Sep 01, 3:18 pm
Schools still safe amid delta if guidelines are followed: CDC

Even with the delta variant, schools are still safe for children if guidelines are followed, CDC Director Rochelle Walensky said Wednesday at a town hall with the National Parent Teacher Association.

For the most part, Walensky said, “there’s more disease happening outside of school than there is happening within a school.”

Walensky, a mother of three, said she understands why parents are anxious.

But she added, “What we do know is when we implement the guidance for safe schools — we implement the masking, the ventilation strategies, the cohorting and the screening strategies — that we can have our kids be safe.”

American Academy of Pediatrics President Dr. Lee Beers said at the town hall that it’s still a very small percentage of children who get severely sick. The U.S. saw 200,000 cases among kids in the last week with about 2,000 of them hospitalized, Beers said.

-ABC News’ Cheyenne Haslett

Sep 01, 12:50 pm
Hospitalizations at highest point in over 7 months

With nearly 104,000 hospitalized, U.S. hospitalizations are now at the highest point in more than seven months, according to federal data.

Alabama’s ICUs remain 100% full while Georgia’s ICUs are over 96% full, federal data show.

Nearly 1,000 COVID-19 deaths are now being reported in the U.S. each day, the highest average in more than five months.

-ABC News’ Arielle Mitropoulos

Sep 01, 11:38 am
Booster shots start in France

Booster shots are beginning in France on Wednesday.

Eligible recipients include people over the age of 65 and people with underlying health conditions. They must be at least six months out from their second Pfizer or Moderna shot.

Those who received the single-dose J&J vaccine are also eligible to receive an mRNA booster if at least four weeks have passed since they were vaccinated.

As of Tuesday, 65.6% of France’s total population was fully vaccinated.

Sep 01, 10:42 am
Pfizer studying new pill in hopes it’ll help with mild COVID symptoms

Pfizer is launching a large clinical study for a new pill that it hopes could prevent worse symptoms for patients with mild COVID-19.

The first participant has now been dosed in this “pivotal Phase 2/3 clinical trial,” Pfizer said.

Drugs like Remdesivir and Dexamethasone can help people recover faster, but those are only reserved for people who are extremely ill and in the hospital.

If proven effective, Pfizer will ask the FDA for authorization.

Sep 01, 9:52 am
Virginia Tech disenrolls 134 students who didn’t meet vaccination policy

Virginia Tech says 134 students have been disenrolled after they didn’t comply with COVID-19 vaccine requirements.

The university’s roughly 37,000 students were required to submit vaccination documentation or receive a medical or religious exemption, Virginia Tech said.

“The university does not know whether any of these [134] students were not planning to return for reasons unrelated to the COVID-19 vaccine requirement,” Virginia Tech said.

Sep 01, 9:19 am
TSA screens lowest number of travelers since May

Just 1,345,064 travelers were screened at U.S. airports on Tuesday, the lowest since May 18 when 1,408,017 were screened, the TSA said.

United CEO Scott Kirby said Monday he thinks holiday travel will return to normal.

Sep 01, 8:52 am
San Diego County declares medical misinformation a public health crisis

San Diego has become the first county in the U.S. to declare that health misinformation is causing a public health crisis in its community. This follows the County Board of Supervisors’ 3-2 vote Tuesday night.

Changes to county strategy to combat the pandemic will include: labeling health misinformation and providing timely health information to counter it; modernizing public health communications; investigating in digital resources and training for health practitioners and health workers; and developing a website to be a central resource for fighting health misinformation.

The new policy was introduced when 96.7% of hospitalizations in San Diego County were residents who were not fully vaccinated.

Aug 31, 8:01 pm
Gene Simmons tests positive for COVID, KISS postpones shows

KISS co-lead singer Gene Simmons tested positive for COVID-19, the band shared on its Twitter page Tuesday evening.

In a statement, the band said the 72-year-old was experiencing “mild symptoms.”

His diagnoses comes less than a week after co-lead singer Paul Stanley, 69, tested positive for COVID-19 as well.

In a statement released on Aug. 26, the band said that, “everyone on the entire tour, both band and crew, are fully vaccinated.”

KISS has postponed four of its “End of the Road” tour shows from Sept. 1 to Sept. 5.

“The band and crew will remain at home and isolate for the next 10 days,” the band said in a statement.

Aug 31, 6:56 pm
2 officials working on COVID-19 vaccine review to leave FDA

Peter Marks, the director of the Food and Drug Administration’s Center for Biologics Evaluation and Research (CBER), announced the upcoming departure of two top vaccine regulators to his staff in an internal memo, which was obtained by ABC News.

Dr. Marion Gruber, director of the FDA’s Office of Vaccines Research and Review (OVRR) and her deputy, Dr. Phil Krause, are set to leave the agency in October and November respectively, according to the memo.

Krause, who’s been with the agency for over a decade, and Gruber, who has been with the FDA for over 30 years, were instrumental in the review and authorization of the three COVID-19 vaccines, the memo said.

The memo said that Gruber will be “retiring” and gave no other details about Krause’s departure.

ABC News has reached out to both Gruber and Krause for comment.

When reached for comment about their departure, an FDA spokesperson told ABC News the agency is “confident in the expertise and ability of our staff to continue our critical public health work, including evaluating COVID-19 vaccines.”

Their departures come at a critical time for the vaccine review team. After facing pressure to move as fast as possible to get vaccines’ full licensure done, the agency is now weighing booster shots for a wider pool of Americans.

The timing of the booster shot approval has been a bone of contention amongst federal agencies after the Biden administration announced the availability of booster shots would begin ahead of any ruling from the FDA or Centers for Disease Control and Prevention advisory groups.

Aug 31, 4:57 pm
Rev. Jesse Jackson’s wife out of ICU

Jacqueline Jackson, the wife of civil rights leader Rev. Jesse Jackson, is out of the ICU as both Jacksons continue to fight COVID-19, their family said.

“Our father remains at The Shirley Ryan AbilityLab where he is continuing to receive intensive occupational and physical therapy,” their son, Jonathan Jackson, said in a statement Tuesday.

Jesse Jackson, who is 79 and has Parkinson’s disease, was vaccinated, reported ABC Chicago station WLS.

“Our mother remains in the Northwestern Memorial Hospital and has been moved out of the ICU and back into her regular hospital room where she continues to receive oxygen,” the statement said. “Both of our parents are continuing to receive excellent medical care and we thank God for the progress that both seem to be making.”

Aug 31, 4:24 pm
Vaccination rate nearly double than it was in mid-July

The U.S. vaccination rate per day is now nearly double than it was in mid-July, according to the White House.

“Back in mid-July we were averaging 500,000 vaccinations per day. Today, we’re averaging 900,000,” White House COVID response coordinator Jeff Zients told reporters Tuesday. “Last week we got over 6 million shots, the biggest weekly total since July 5.”

The increase in vaccinations comes amid fear about the rapidly spreading delta variant.

The delta variant, which is more transmissible, has also been part of the conversation around booster shots of the mRNA and J&J vaccines. The Biden administration said Americans would need a third shot eight months after their second because of waning immunity.

The Biden administration is standing by its decision to call for vaccine boosters beginning Sept. 20 despite questions about whether there’s enough data and the unusual process of announcing a plan before the FDA has evaluated the data and made a recommendation.

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