CBS News
U.S. officials warn doctors about dengue as worldwide cases surge
U.S. health officials on Tuesday warned doctors to be alert for dengue cases as the tropical disease breaks international records.
The virus, which is spread by mosquitoes, has been surging worldwide, helped by climate change. In barely six months, countries in the Americas have already broken calendar-year records for dengue cases.
The World Health Organization declared an emergency in December, and Puerto Rico declared a public health emergency in March.
Dengue remains less common in the continental United States, but in the 50 states so far this year there have been three times more cases than at the same point last year. Most were infections that travelers got abroad, and officials note there is no evidence of a current outbreak. But they also warn that local mosquitos pose a threat.
In its health alert Tuesday, the Centers for Disease Control and Prevention advised doctors to know the symptoms, ask questions about where patients recently traveled and consider ordering dengue tests when appropriate.
“Global incidence of dengue in 2024 has been the highest on record for this calendar year,” the CDC said in its advisory, adding that so far this year, countries in the Americas have reported more than 9.7 million cases, twice as many as the 4.6 million cases reported for the whole of 2023.
Often referred to as dengue fever or “break-bone fever,” due to pain being a major symptom, dengue (pronounced DEHN’-gay) is caused by a virus spread by a type of warm weather mosquito that is expanding its geographic reach because of climate change, experts say.
About 1 in 4 people infected with dengue will get sick, the CDC says, with symptoms ranging from mild to extreme. About 1 in 20 people who get sick will develop severe dengue, which can result in shock, internal bleeding and even death.
Repeated infections can be especially dangerous.
APHOTOGRAFIA / Getty Images
There are four types of dengue virus, simply known as 1, 2, 3 and 4. When someone is first infected, their body builds antibodies against that type for life. If they get infected with another type of dengue, the antibodies from the first infection may fail to neutralize the second type —and actually can help the virus enter immune cells and replicate.
That’s a concern in Puerto Rico, which for the last two decades has been widely exposed to type 1. Last month, the island reported its first dengue death of the year.
“We’re currently seeing is increases in the cases due to dengue 2 and dengue 3, for which the population has very little immunity,” said Dr. Gabriela Paz-Bailey, the Puerto-Rico-based chief of the CDC’s dengue branch.
There is no widely available medicine for treating dengue infections.
Vaccines have been tricky. U.S. officials in 2021 recommended one vaccine, made by Sanofi Pasteur. The three-dose vaccine is built to protect against all four dengue types and is recommended only for children ages 9 to 16 who have laboratory evidence of an earlier dengue infection and who live in an area —like Puerto Rico— where dengue is common.
Given those restrictions and other issues, it hasn’t been widely used. As of late last month, only about 140 children had been vaccinated in Puerto Rico since shots became available there in 2022, and Sanofi Pasteur has told the CDC it is going to stop making the vaccine.
A different vaccine made by the Tokyo-based pharmaceutical company Takeda is not currently licensed in the U.S. Others are in development.
Across the world, more than 6.6 million infections were reported by about 80 countries last year. In the first four months of this year, 7.9 million cases and 4,000 deaths have been reported, according to the World Health Organization. It’s been particularly intense in the Americas, including in Brazil and Peru.
Sarah Pabst/Bloomberg via Getty Images
In the United States, the numbers have been far more modest —about 3,000 cases last year in U.S. states and territories. But it was the worst in a decade, and included more infections that occurred locally, courtesy of native mosquitoes. Most were in Puerto Rico, but about 180 were in three U.S. states — Florida, Texas and California.
So far this year, there have been nearly 1,500 locally acquired U.S. cases, nearly all of them in Puerto Rico.
Floodwaters pushed by the remnants of Hurricane Helene left North Carolina’s largest mountain city largely cut off Saturday by damaged roads and a lack of power and cellphone service, part of a swath of destruction across southern Appalachia that left an unknown number dead and countless worried relatives unable to reach loved ones.
In North Carolina alone, more than 400 roads remained closed on Saturday as floodwaters began to recede and reveal the extent of damage. North Carolina Gov. Roy Cooper said that supplies were being airlifted to that part of the state. Cooper said two people died in his state, Helene killed at least 52 people across multiple states.
Among those rescued from rising waters was nurse Janetta Barfield, whose car was swamped on Friday morning as she left an overnight shift at Asheville’s Mission Hospital. She said she watched a car in front of her drive through standing water and thought it was safe to proceed. But her car stalled, and within minutes water had filled her front seat up to her chest. A nearby police officer who saw her car stall helped her to safety.
“It was unbelievable how fast that creek got just in like five minutes,” Barfield said.
Erik Verduzco / AP
Early on Saturday morning, many gas stations were closed because they didn’t have electricity, and the few that were open had hourlong lines wrapped around the block. The hub of tourism and arts, home to about 94,000 people, was unusually still after floodwaters swamped neighborhoods known for drawing visitors including Biltmore Village and the River Arts District, which is home to numerous galleries, shops and breweries.
More than 700,000 power customers were without power across North Carolina, including 160,000 in Buncombe County. Interstate 40 and I-26 were impassible in multiple locations, and a state transportation department map showed that most routes into Asheville and across much of the mountains were snarled. North Carolina’s Department of Transportation posted on social media on Saturday afternoon that “all roads in Western North Carolina should be considered closed.”
In Asheville, there was no cellular service and no timeline for when it would be restored.
“We have had some loss of life,” County Emergency Services Director Van Taylor Jones told reporters. However, he said they were not ready to report any specifics. Officials have been hindered in contacting next of kin by the communications outages. Asheville police instituted a curfew from 7:30 p.m. Friday to 7:30 a.m. Saturday.
“The curfew is to ensure the public’s safety and will be in effect until further notice,” police said.
Asheville transit services were also suspended, police said. The city advised residents to boil “all water used for human consumption,” as there was at least one significant water line break during the storm. Many residents might not be getting water or reduced or no pressure water.
Jones said the area experienced a cascade of emergencies that included heavy rain, high winds and mudslides. Officials said they tried to prepare for the storm but its magnitude was beyond what they could have imagined.
“It’s not that we (were) not prepared, but this is going to another level,” Sheriff Quentin Miller said. “To say this caught us off-guard would be an understatement.”
Erik Verduzco / AP
Atlanta resident Francine Cavanaugh said she has been unable to reach her sister, son, or friends in the Asheville area.
“My sister checked in with me yesterday morning to find out how I was in Atlanta,” she said on Saturday. “The storm was just hitting her in Asheville, and she said it sounded really scary outside.”
Cavanaugh said her sister had no idea how bad the storm would be there. She told Cavanaugh she was going to head out to check on guests at a vacation cabin “and that’s the last I heard of her. I’ve been texting everyone that I know with no response. All phone calls go directly to voicemail.”
The CEO of a hospital operator that filed for bankruptcy protection in May will step down after failing to testify before a U.S. Senate panel.
Steward Health Care CEO Ralph de la Torre has overseen a network of some 30 hospitals around the country. The Texas-based company’s troubled recent history has drawn scrutiny from elected officials in New England, where some of its hospitals are located.
A spokesperson for de la Torre told the Associated Press Saturday that he “has amicably separated from Steward on mutually agreeable terms” and “will continue to be a tireless advocate for the improvement of reimbursement rates for the underprivileged patient population.”
A CBS News investigation that spanned nearly two years documented how private equity investors and de la Torre extracted hundreds of millions of dollars while healthcare workers and patients struggled to get the life-saving supplies they needed.
In August, the company closed two Massachusetts hospitals, leaving about 1,200 workers jobless, according to the state.
Sen. Bernie Sanders of Vermont, who chairs the Senate Health, Education, Labor and Pensions Committee, said earlier this month that Congress “will hold Dr. de la Torre accountable for his greed and for the damage he has caused to hospitals and patients throughout America.”
De la Torre’s resignation is effective Oct. 1. The Senate approved a resolution on Wednesday that was intended to hold him in criminal contempt for failing to testify before a committee.
The Senate panel has been looking into Steward’s bankruptcy. De la Torre did not appear before it despite being issued a subpoena. The resolution refers the matter to a federal prosecutor.
Kayla Bartkowski/The Boston Globe via Getty Images
CBS News
Climate Watch: Protecting the Planet | How climate change threatens plant and animal species
Watch CBS News
Be the first to know
Get browser notifications for breaking news, live events, and exclusive reporting.
North Carolina’s Asheville devastated after Helene’s damage cuts power, floods roads
Embattled Steward Health Care CEO Ralph de la Torre to resign
Trump is set to respond to Harris on immigration during his visit to a small Wisconsin town
North Carolina’s Asheville devastated after Helene’s damage cuts power, floods roads