The World Health Organization has declared an international public health emergency as a growing Ebola outbreak in Central Africa sparks concern that the deadly virus could spread beyond the region — including into the United States.

The outbreak has been linked to dozens of suspected deaths in the Democratic Republic of Congo (DRC) and neighboring Uganda.

Ebola is a zoonotic, viral disease that is rare but life-threatening, according to Cleveland Clinic. Outbreaks typically develop in areas of Africa, starting in species like antelope, fruit bats and nonhuman primates.

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There are four different Ebola strains, also known as orthoebolaviruses. Bundibugyo virus is the strain that has been detected in the DRC outbreak.

While the outbreak does not meet the criteria for a pandemic emergency, U.S. officials are warning Americans not to visit the area, escalating the State Department travel advisory from a Level 3 to Level 4 on Sunday.

One American tested positive for Ebola on May 17 while working in Congo and is being transported to Germany for treatment with other Americans who are high-risk contacts, according to the Centers for Disease Control and Prevention.

As of May 18, there have been 11 confirmed and 336 suspected cases, including 88 deaths in the DRC.

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“This is a rapidly evolving situation, and case counts are subject to change,” the CDC noted.

While no cases have been detected in the U.S., there is a possibility that it could make its way into American territory, posing a threat to public health.

“This virus is transmitted only person-to-person via infected blood and body fluids from symptomatic people.”

Dr. Jacob Glanville, a leading immunologist at Centivax in San Francisco, which is developing a universal flu vaccine, spoke with Fox News Digital about the potential spread of Ebola into the U.S.

The doctor noted that the virus has a two- to 21-day incubation period, during which an infected person can show no symptoms and the infection cannot be detected by tests.

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“It is thus possible for Ebola to move across international borders silently, bypassing screening,” he said.

“Some travel restrictions from the affected area have been put in place to limit this risk, although as this outbreak was spreading silently for months, it is possible that an infected traveler had come to the U.S. in the past 21 days from the affected areas prior to the travel restrictions.”

Glanville noted that while the outbreak is “growing rapidly,” one week ago there were fewer than 500 global cases.

“Thus, the chance of an infected traveler having come to the U.S. remains quite low for the time being,” he said.

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Dr. Robert H. Hopkins, Jr., medical director of the National Foundation for Infectious Diseases, agreed that the threat to American communities remains low.

“The viruses that cause Ebola pose a very small risk, even to travelers to areas with outbreaks,” the Arkansas-based expert told Fox News Digital. “This virus is transmitted only person-to-person via infected blood and body fluids from symptomatic people, and rarely from infected animals.”

Ebola spreads through direct contact with infected blood, bodily fluids or remains of infected people or animals, including fluids such as saliva and sweat, according to Hopkins.

Cleveland Clinic notes that it is “very unlikely” for Ebola to be an airborne infection.

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The virus starts with flu-like symptoms, including fever, chills, fatigue, headache, muscle pain, vomiting/diarrhea and loss of appetite. Other signs may include a rash or spots of blood under the skin, hiccups, bruising and red, bloodshot eyes.

As the disease is a type of viral hemorrhagic fever, it causes damage to the blood vessels and can lead to more serious symptoms, including severe bleeding or hemorrhaging, neurological disorders and severe vomiting.

For those who have traveled to the outbreak area, Hopkins recommends monitoring for symptoms for three weeks after departing and seeking immediate care if symptoms develop.

Treatments are available, along with a vaccine that can help protect high-risk individuals and prevent further spread, according to healthcare professionals.

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Avoiding contact with blood, body fluids, and sick or deceased people and animals is “highly effective in the prevention of Ebola transmission,” Hopkins advised.

“If contact is required, high-quality personal protective equipment is recommended before contact with potentially infectious people and/or materials,” he added.

Fox News Digital’s Michael Sinkewicz and Andrea Margolis contributed to this report.

An American woman who may have been exposed to hantavirus on board the MV Hondius cruise ship is now being forced to quarantine at a facility in Omaha, Nebraska.

Angela Perryman, 47, anticipated having to stay at the National Quarantine Unit for a short time after arriving last week, but on Monday she was served with a federal order to remain quarantined for at least two more weeks, she shared with The New York Times.

The order mandates that Perryman remains in the facility until May 31, which would be a total of 21 days after her arrival. Officials told her that any attempts to leave could result in law enforcement involvement, she said.

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“They won’t let us isolate at home,” Perryman, who lives in Ecuador but has a home in South Florida, told the news outlet. “We’re being kept in a secured facility and threatened if we try to leave.”

The woman shared that she received a negative hantavirus test result and is not experiencing symptoms. However, she said she did briefly speak with a passenger who later died from the disease.

The federal order, which the passenger shared with the Times, states that it could “constitute a probable source of infection to other people” if Perryman were to leave the facility to travel to another state.

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After receiving a medical review within 72 hours, Perryman was told she can appeal the order. She told the Times that she plans to take legal action.

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The quarantine unit includes 20 single-occupancy rooms with negative air pressure systems and en suite bathroom facilities, along with exercise equipment and Wi-Fi connectivity, according to the University of Nebraska Medical Center’s Global Center for Health Security website.

The quarantine order — issued under federal public health authority — was reportedly approved by Jay Bhattacharya, the acting head of the Centers for Disease Control and Prevention.

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Fox News Digital reached out to the CDC requesting comment.

Including Perryman, a total of 18 American passengers from the MV Hondius have been monitored at the quarantine unit since last week.

Seven other passengers who left the ship and returned home prior to the outbreak’s discovery are being monitored by their state and local health departments, per the CDC.

“The reason they’re watching these passengers so carefully is that the incubation period can be very long — up to six weeks — and when symptoms hit, patients can deteriorate very rapidly,” Dr. Marc Siegel, Fox News senior medical analyst, said during a recent episode of “The Faulkner Focus.”

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“This is not something that spreads easily like COVID, but because the Andes strain has rare person-to-person transmission, public health officials are being extremely cautious,” he added.

At least three people linked to the outbreak aboard the ship have died, while additional passengers have been sickened, according to the World Health Organization.

“This is not something that spreads easily like COVID, but because the Andes strain has rare person-to-person transmission, public health officials are being extremely cautious.”

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The federal government last imposed a large-scale quarantine order in January 2020, when nearly 200 Americans evacuated from Wuhan, China, the epicenter of the COVID-19 outbreak. They were required to remain in isolation for two weeks at the March Air Reserve Base in Riverside County, California, per the CDC.

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“Typically, we don’t hold people against their will unless there is no alternative,” Jennifer Nuzzo, director of the pandemic center at Brown University’s School of Public Health, told The Times.

The Murdoch Children’s Research Institute (MCRI) in Australia will receive a $5 million federal grant to launch a pioneering research team for children’s health.

The grant was announced at MCRI’s 40th anniversary gala in Melbourne on Saturday night.

“For 40 years, MCRI has been a global leader in children’s health research,” Prime Minister Anthony Albanese told guests at the gala, which was attended by 300 of Australia’s most esteemed medical experts, political leaders, philanthropists and sports luminaries.

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“My government is proud to partner with MCRI, so our world-leading researchers have the best opportunities to support healthier childhoods for Australians now and into the future.”

The $5 million will directly support medical research aimed at preventing numerous childhood conditions, including obesity, heart disease, mental health issues and disabilities.

Also announced at the gala, a lead donation from Sarah and Lachlan Murdoch will launch the Horizon Fund — a permanent endowment for MCRI aimed at funding long-term children’s health research and future medical breakthroughs.

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The goal is for the fund to raise between $50 million and $100 million in its first year and to reach $200 million within five years.

The fund is designed to back researchers’ immediate priorities while safeguarding long-term capital for future medical breakthroughs in children’s health.

In 2020, the Murdochs donated $5 million to establish a perpetual fellowship supporting leading researchers in fields including stem cell technology and genomic precision medicine.

Co-founded in 1986 by philanthropist and child health advocate Dame Elisabeth Murdoch and pediatrician and genetics pioneer Professor David Danks, MCRI comprises 1,800 scientists, researchers and clinicians.

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“Dame Elisabeth’s leadership, along with her values, shaped both the direction and the ethos of the Institute we were to become – for all children to live a healthy and fulfilled life,” said Sarah Murdoch, who is Dame Elisabeth Murdoch’s granddaughter-in-law and MCRI’s global ambassador and board co-chair. 

“With the generosity of a remarkable group of founding donors alongside the Murdoch family – Sir Jack Brockhoff, the Miller family, and The Scobie and Claire Mackinnon Trust – the foundations were laid for an Institute designed to bring our brightest minds, to serve all children, not only in that moment, but for generations to come,” Ms. Murdoch added.

“I see what is possible when foresight, science, commitment, collaboration and heartfelt generosity come together,” she emphasized.

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“Because behind every breakthrough is a child — a family desperate for answers. A future changed because of the commitment by so many.”

MCRI Director Kathryn North expressed appreciation at the gala to the prime minister for the $5 million grant.

“From the beginning, MCRI has been guided by a simple but powerful purpose: to give all children the opportunity to live a healthy and fulfilled life,” North said.

“It reflects a belief that good health is the foundation for a full life, and that opportunity should never be limited by circumstance.”

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Professor North mentioned the Institute’s focus on developing therapies for previously incurable diseases.

“We are harnessing the power of human stem cell technologies to grow heart patches, functional mini kidneys, blood and immune cells … to better understand disease, and to develop regenerative therapies using a patient’s own stem cells to replace organ transplants and the risk of rejection,” she said.

The Institute’s next challenge, North said, is to address chronic conditions like asthma, obesity, allergies and mental health conditions that can persist for decades.

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“These are big problems that will require significant and ongoing support,” she said. “Through our work globally, we are helping communities raise their expectations to both deliver and receive the sort of healthcare we take for granted.”

“Our ambition now is to translate these partnerships into population-scale solutions that improve the lives of millions of children worldwide,” North added. “This is not simply the next chapter for MCRI – it is the work of building the future of children’s health.”