Surgeon general nominee Casey Means indicates support of vaccines, but stops short of recommending certain shots during Senate hearing
Dr. Casey Means, nominee for the medical director in the Regular Corps of the Public Health Service and U.S. surgeon general, testifies at a Senate Health, Education, Labor and Pensions Committee hearing on Capitol Hill on February 25, 2026 in Washington, DC. Andrew Harnik/Getty Images
(WASHINGTON) — President Donald Trump’s surgeon general nominee, Dr. Casey Means, indicated she supports vaccines but stopped short of recommending certain shots during her confirmation hearing before the Senate Health, Education, Labor and Pensions (HELP) committee on Wednesday.
Means, who has a medical degree but does not hold an active medical license, appeared hesitant to say that some vaccines, such as the flu vaccine, prevent serious disease.
When asked by HELP committee chair Sen. Bill Cassidy, R-La., if she would encourage mothers to vaccinate their children with the measles, mumps and rubella (MMR) vaccine amid widespread illness in the U.S., Means said, “I absolutely am supportive of the measles vaccine, and I do believe vaccines save lives and are important part of the public health strategy.”
However, she stressed personal autonomy and said each patient or parent needs to have a conversation with their doctor or pediatrician before taking any medication.
Later in the hearing, Sen. Tim Kaine, D-Va., asked Means for her opinion on the efficacy of the flu vaccine.
“Do you believe that there is evidence that the flu vaccine prevents serious disease and prevents hospitalization or deaths in children?” Kaine said.
“I believe that all patients should talk to their doctor–” Means began answering.
“And so do I, and that’s not what I’m asking,” Kaine interjected.
“I support the CDC’s guidance on the flu vaccine,” Means replied, adding that she believes the shot reduced the risk of hospitalization “at the population level.”
Earlier this year, the Centers for Disease Control and Prevention announced that it was changing the childhood immunization schedule, removing the universal recommendation for multiple shots, including the flu vaccine.
Means was originally scheduled to testify before the HELP committee in October, but her appearance was postponed for four months after she went into labor.
If confirmed, Means would become the nation’s top doctor, leading more than 6,000 members of the U.S. Public Health Service, including physicians, nurses, scientists and engineers working at various federal health agencies.
Means’ views largely mirror those of Health and Human Services Secretary Robert F. Kennedy Jr., with a focus on tackling the chronic disease epidemic, creating a healthier food supply and expressing vaccine skepticism.
This is a developing story. Check back for updates.
ABC News’ Youri Benadjaoud and Arthur Jones II contributed to this report.
The Environmental Protection Agency (EPA) headquarters is seen on February 13, 2026 in Washington, DC. (Michael M. Santiago/Getty Images)
(WASHINGTON) — The Trump administration walked back an Obama-era environmental decision that has been the legal basis for establishing federal regulation of greenhouse gas emissions.
The Environmental Protection Agency (EPA) said on Thursday it was rescinding the 2009 endangerment finding, which determined that six key greenhouse gases threaten human health and welfare.
The regulations that resulted cover everything from vehicle tailpipe emissions to the release of greenhouse gases from power plants and other significant emission sources.
President Donald Trump called the move “the single largest deregulatory action in American history” and said the repealed finding had “no basis in fact” and “no basis in law.”
The endangerment finding stemmed from the 2007 Supreme Court decision Massachusetts v. EPA, which held that the EPA could regulate greenhouse gases from motor vehicles under the 1970 Clean Air Act because those gases are air pollutants.
Some environmental scientists disagree, telling ABC News that the rescission is concerning and could have major implications for health. They add that decades of research has shown the impact climate change has on human health.
“The evidence is so overwhelming,” Dr. Ana Navas-Acien, chair of the department of environmental health sciences at Mailman School of Public Health at Columbia University, told ABC News.
“The scientific evidence showing the connection between greenhouse emissions, climate change and then the related health effects — it’s massive, it’s substantial, it has been reviewed by independent organizations,” she said. “So, the fact that this body of evidence has become so well established, it just speaks to the level of rigorous science that has been done.”
How greenhouse gases, climate change impact health
Research has shown that greenhouse gases — such as carbon dioxide and nitrous oxide — drive climate change, and, in turn, can harm human health by exposing people to events including wildfire smoke, extreme heat, flooding and waterborne diseases.
For example, rising temperatures have direct harms on health by increasing risk of dehydration and causing more stress on the heart.
During heat waves, the risk of death from heart attack increases by 64%, according to a 2024 study from researchers at Yale School of the Environment.
Additionally, a 2025 study from Yale School of Public Health found that between 2000 and 2020, there were more than 3,400 preventable deaths in the contiguous U.S. due to high temperatures.
The World Health Organization has warned there will be an estimated 250,000 additional deaths around the world annually from 2030 to 2050 due to climate change-related heat exposure.
“We have recent studies showing heat exposure can lead to heart attack events … and it goes beyond just the cardiovascular system,” Kai Chen, an associate professor of epidemiology at Yale School of Public Health and faculty director of the Yale Center on Climate Change and Health, told ABC News. “It goes beyond these kinds of physical conditions or physical health, [also] impacting our mental health.”
High temperatures can also negatively impact the quality and quantity of sleep, which can raise levels of cortisol in the body.
Studies have also shown that extreme heat can exacerbate conditions such as depression, anxiety and suicide ideation. For the latter, a 2023 meta-analysis found that even a slight bump in the average monthly temperature can lead to increases in suicide and suicidal behavior.
“So, really, heat can lead to a broad spectrum of diseases,” Chen added.
In recent decades, wildfires in the western U.S. have become larger, more intense, and more destructive due to a combination of factors, including human-amplified climate change and rapid urbanization, according to the federal government’s Fifth National Climate Assessment.
The same report found that these fires are worsening air quality in many part of the country due to wildfire smoke, which is a mixture of gases, water vapor, air pollutants and fine particulate matter. The latter, known as PM2.5, is at least 30 times smaller in diameter than a human hair.
Experts say these particles are of concern because they are too small to be seen with the naked eye and can easily enter the nose and throat. They can travel to the lungs and even circulate in the bloodstream.
PM2.5 can cause both short-term health effects, even for healthy people, including irritation of the eyes, nose and throat; coughing, sneezing; and shortness of breath and long-term effects such as worsening of conditions such as asthma, heart disease or chronic obstructive pulmonary disease flare-ups.
“Recent evidence has shown that the fine particulate matter in the air can also impact dementia and cognitive function,” Chen said. “It can also affect birth outcomes, leading to pre-term birth and low birth weight. So, air pollution is a major risk factor.”
Regulating fossil fuel combustion reduced PM2.5-related deaths by approximately 54% from 1990 to 2010, according to 2018 joint study from researchers in the U.S. and China.
Short- and long-term implications
Navas-Acien believes that, in the short-term, the rescinding of the endangerment finding will lead to higher pollution levels.
“Higher pollution levels, if we allow that to happen, that means more pollutants in the air that we breathe, in the water that we drink, in the food that we eat,” she said. “And that’s going to result in a higher burden of chronic diseases and even not just chronic disease, but also like heart attacks.”
Research has shown that in the days following an increased level of air pollutants, there are more visits to emergency rooms and hospital admissions for cardiorespiratory events, according to Navas-Acien.
“So that tells you that the impacts of pollution, in the short term, are very rapid,” she added.
In the absence of federal protections, Navas-Acien and Chen said state and local leaders can take actions to reduce greenhouse gas emissions and improve air quality.
On the individual level, to protect yourself, the experts recommend frequently checking the air quality in your area, wearing a mask if air pollution levels are high and supporting the creation of urban green spaces to combat climate change.
Chen said the EPA rescinding the endangerment finding is “very concerning” because “the scientific evidence has not become weaker, but actually became much stronger, showing the health harms from the climate change stirring from the greenhouse gas emissions. This rollback of policy will actually be threatening millions of Americans’ lives.”
“Climate change is impacting our health right now,” Chen continued. “It’s not a political debate. It is science and the science is clear. We need to take action.”
Signs point the way to measles testing in the parking lot of the Seminole Hospital District across from Wigwam Stadium on February 27, 2025 in Seminole, Texas. Jan Sonnenmair/Getty Images
(NEW YORK) — At least 588 measles cases have been confirmed so far this year across the U.S., according to updated data from the Centers for Disease Control and Prevention.
This means the U.S. has seen more cases in about one month than is typically recorded in an entire year.
Only nine other years, including last year, have had higher case counts since measles was declared eliminated in 2000.
The high case counts in 2026 are largely being driven by a measles outbreak in South Carolina.
At least 17 states have also reported measles cases this year including Arizona, California, Florida, Georgia, Idaho, Kentucky, Minnesota, Nebraska, North Carolina, Ohio, Oregon, South Carolina, South Dakota, Utah, Virginia, Washington and Wisconsin.
Almost all cases are tied to ongoing outbreaks in pockets of undervaccinated or unvaccinated communities. Just three measles cases were reported among international travelers so far this year, according to CDC data.
Last year, the U.S. saw a record-breaking number of measles cases reported with 2,257 infections, the highest figure recorded since 1992. The U.S. could be on pace to surpass that record if cases continue to mount at this rate.
The CDC currently recommends that people receive two doses of the measles, mumps, rubella (MMR) vaccine, the first at ages 12 to 15 months and the second between 4 and 6 years old. One dose is 93% effective, and two doses are 97% effective against measles, the CDC says.
However, federal data shows vaccination rates have been lagging in recent years. During the 2024-2025 school year, 92.5% of kindergartners received the MMR vaccine, according to data. This is lower than the 92.7% seen in the previous school year and the 95.2% seen in the 2019-2020 school year, before the COVID-19 pandemic.
The national trends mirror those see in counties across the U.S. A recent map from ABC News — a collaboration with researchers from Boston Children’s Hospital, Harvard School of Medicine and Icahn School of Medicine at Mt. Sinai that allows people to type in their ZIP code and see the measles risk in their area — found a wide range of risks in areas across the U.S.
Some counties and ZIP codes fell into the “lowest risk,” with 85% or more of children under 5 years old receiving one or more measles vaccine dose to “very high risk” with fewer than 60% of children under age 5 receiving one or more measles vaccine dose.
A sign advertising flu testing is seen in front of a pharmacy in Orlando. Paul Hennessy/SOPA Images/LightRocket via Getty Images
(ATLANTA) — Flu activity continues to remain elevated throughout the United States, according to newly released data from the Centers for Disease Control and Prevention.
The CDC on Friday estimated there have been at least 15 million illnesses, 180,000 hospitalizations and 7,400 deaths from flu so far this season.
This is a developing story. Please check back for updates.
