Federal health officials say an infant botulism outbreak linked to recalled ByHeart baby formula is over.

A federal judge has ruled that President Donald Trump’s administration cannot pull back $600 million in public health grants allocated to four Democratic-led states, for now.

President Donald Trump’s administration plans to withhold public health and transportation funds from several Democratic-led states.

Guinea-Bissau's health minister says the government is suspending a Trump administration-backed hepatitis B vaccine study on newborns in the West African country pending an ethical review.

The Trump administration has awarded a $1.6 million, no-bid contract a Danish university to study hepatitis B vaccinations on newborns in Africa.

The U.S. flu season is starting slowly, and it’s not clear if it will be as bad as last winter’s.

Health Secretary Robert F. Kennedy Jr. told The New York Times in an interview that he personally directed the U.S. Centers for Disease Control and Prevention to update its website to contradict its longtime guidance that vaccines don’t cause autism.

Researchers are reporting what they believe is the first documented death from a meat allergy triggered by tick bites.

The number of people diagnosed with tuberculosis worldwide rose again last year, eclipsing 2023's record total.

Authorities say at least 11 people have been sickened with salmonella infections linked to powder supplements sold at Sam's Club stores nationwide and online.

An annual conference about infectious diseases is seeing a dramatic attendance decline, in part because Centers for Disease Control and Prevention experts can’t participate.

Four Democratic-led Western states announced joint recommendations Wednesday about who should be vaccinated for seasonal respiratory viruses, including the flu and COVID-19, saying the Trump administration has jeopardized public health by politicizing the U.S. Centers for Disease Control and Prevention.

Health officials say West Nile virus infections are intense this year, with 40% more cases than usual.

A New York City hospital and another city-run building were sources for a deadly outbreak of Legionnaires’ disease in Harlem that killed seven people and sickened dozens of others.

Federal health officials have scaled back FoodNet, a program that tracked food poisoning infections in the U.S. The Foodborne Diseases Active Surveillance Network has cut required monitoring to just two pathogens that cause infections, down from eight.

West Nile virus has been confirmed in six Michigan residents so far in 2025, and one person has died, according to health officials.

New York City officials have discovered a sixth death linked to a Legionnaires’ disease outbreak in Central Harlem, where more than 100 people have been diagnosed with the ailment.

West Nile virus has been confirmed in an Oakland County resident, marking the county’s first human case this year.

A fourth person has died in connection with a Legionnaires’ disease outbreak in New York City.

Gunfire aimed at the U.S. Centers for Disease Control and Prevention by a man authorities say was angry over COVID-19 vaccines is the latest in a string of violence and harassment directed at health care workers amid hostility lingering from the pandemic.

The man who attacked the CDC headquarters in Atlanta on Friday fired more than 180 shots into the campus and broke about 150 windows.

An outbreak of Legionnaires’ disease in New York City has killed three people and sickened more than five dozen since late July.

Susan Monarez is becoming the next director of the U.S. Centers for Disease Control and Prevention.

China is experiencing a chikungunya outbreak with thousands of cases reported in the south over two weeks.

A new federal estimate shows that nearly 1 in 3 U.S. adolescents had prediabetes in 2023, far higher than a previous estimate of 1 in 5.

Switzerland’s medical products authority has granted the first approval for a malaria medicine designed for small infants.

Ticks can be active in any season and experts say it’s important to check for and remove the bloodsuckers as quickly as possible.

A listeria food poisoning outbreak that has killed three people and led to one pregnancy loss is linked to newly recalled heat-and-eat chicken fettucine alfredo products sold at Kroger and Walmart stores.

Federal health officials say a salmonella outbreak linked to a large egg recall has made dozens of people sick in seven states in the West and Midwest.

Preliminary data from the U.S. Centers of Disease Control and Prevention says the U.S. has seen 8,485 cases of whooping cough in 2025.

Health Secretary Robert F.

Newly released federal statistics show an estimated 1 in 31 U.S. children have autism, marking another jump in a long string of increases.

Health officials in Oakland County said an adult has mumps.

Thousands of people at the nation’s top health agencies were laid off Tuesday.

Attorneys general and other officials from 23 states and the District of Columbia are suing the Trump administration for its decision to claw back $11 billion that went to public health departments for COVID-19 efforts and addiction and mental health programs.

Employees across the massive U.S. Health and Human Services Department received notices Tuesday that their jobs were being eliminated, part of a sweeping overhaul designed to vastly shrink the agencies responsible for protecting and promoting Americans’ health.

Health officials confirm that a Michigan resident who received an organ transplant has died from rabies.

An adult who was infected with measles has died in New Mexico, though the virus has not been confirmed as the cause.

A panel of experts that advises the Centers for Disease Control and Prevention on vaccine policy will not meet as previously scheduled next week.

Health officials confirmed a person at a West Michigan school was diagnosed with active tuberculosis

The latest government data shows that cases of a fast-spreading stomach bug are surging in parts of the United States.

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the illness in the United States.

An Oregon house cat died after eating pet food that tested positive for bird flu, Oregon authorities said, prompting a recall of raw frozen pet food that was sold nationwide.

California officials have declared a state of emergency over the spread of bird flu, which is tearing through dairy cows in that state and causing sporadic illnesses in people in the U.S. That raises new questions about the outbreak of the virus, also known as Type A H5N1.

At least 104 people have been sickened, with 34 hospitalized, in an outbreak of E.

Federal health officials are calling for more testing and treatment of workers on farms with bird flu.

Obesity is high and holding steady in the U.S. About 4 in 10 Americans have obesity overall and about 1 in 10 have severe obesity.

Wisconsin health officials have initiated a recall of eggs following an outbreak of salmonella infections among 65 people in nine states that originated on a Wisconsin farm.

Health officials say a hospitalized patient in Missouri was infected with bird flu, despite having no known contact with dairy cows or other animals.

An outbreak of listeria has U.S. health officials advising people who are pregnant, elderly or have compromised immune systems to avoid eating sliced deli meat.

I’m sure we can all agree that mosquitoes are nasty little creatures that only serve to make our lives itchy and miserable. Okay, so, that’s not all they do.

Mosquitoes in St. Clair County have tested positive the West Nile Virus, prompting local authorities to warn the community to take certain precautions.

Tick season is starting across the U.S., and experts are warning the bloodsuckers may be as plentiful as ever.

Lyme disease cases in the United States jumped nearly 70% in 2022.

More foods are being recalled in the wake of a deadly outbreak of listeria food poisoning.

Flu is hanging on in the U.S., intensifying in some areas of the country after weeks of an apparent national decline.

A California cheese and dairy company is the source of a decadelong outbreak of listeria food poisoning that killed two people and sickened more than two dozen.

Infectious syphilis cases in the U.S. rose by 9% in 2022.

Morning 4 is a quick roundup of stories we think you should know about to start your day.

Federal health officials are expanding a warning about salmonella poisoning tied to charcuterie meat snack trays sold at Sam's Club and Costco stores.

Health officials say at least two dozen people in 14 states were sickened by salmonella poisoning tied to recalled meat snack trays sold at some Sam’s Club stores.

The World Health Organization and the U.S. Centers for Disease Control and Prevention say measles deaths globally spiked by more than 40% last year.

Syphilis cases in U.S. newborns again are on the rise.

The once-critical white COVID-19 vaccination cards are being phased out.

President Joe Biden said Friday that he is planning to request more money from Congress to develop another new coronavirus vaccine, as scientists track new waves and hospitalizations rise, though not like before.

At least 100,000 people in the U.S. have become allergic to red meat since 2010 because of a weird syndrome triggered by tick bites.

U.S. health officials say the death toll from an outbreak of fungal meningitis tied to surgical procedures in a city along the U.S.-Mexico border has risen to six.

Five cases of malaria have been detected in the U.S. in the last two months.

We’re expecting another dry stretch of weather, which means mosquitoes will have fewer places to breed. That’s great news! But lack of rain won’t eradicate them completely.

A report on the Chesapeake Bay has found strong disparities between communities in different parts of the bay’s watershed in terms of health, economics and social justice concerns.

U.S. health officials are reporting another death and several more cases of vision loss linked to eyedrops tainted with a drug-resistant bacteria.

The World Health Organization and the U.S. Centers for Disease Control and Prevention say measles immunization has dropped significantly since the coronavirus pandemic began, resulting in a record high of nearly 40 million children missing a vaccine dose last year.

Research in Africa has found a one-time dose of an experimental drug protected adults against malaria for at least six months.

The head of the U.S. Centers for Disease Control and Prevention has tested positive again for COVID-19.

The Director of the U.S. Centers for Disease Control and Prevention (CDC), Dr. Rochelle Walensky, tested positive for COVID-19 on Friday night.

The CDC is doing away with notices about the COVID-19 risk of visiting specific countries.

Sharply rising cases of some sexually transmitted diseases are prompting U.S. health officials to call for new prevention and treatment efforts.

New York Gov. Kathy Hochul said Friday the state was stepping up its polio-fighting efforts after the virus was detected in the wastewater of yet another county in the New York City area.

The polio virus has been found in New York sewage, but officials are stressing that the highest risk is for people who haven't been vaccinated.

Health officials say it is possible that hundreds of people in New York state have gotten polio and don’t know it.

New York state health officials have issued a more urgent call for unvaccinated children and adults to get inoculated against polio, citing new evidence of possible “community spread” of the virus.

A rare and sometimes deadly bacteria — long thought to be confined to tropical climates — has been found in soil and water in the continental United States.

The head of the World Health Organization is advising men at risk of catching monkeypox to consider reducing their sexual partners “for the moment.”.

Health officials say two children have been diagnosed with monkeypox in the U.S. They are a toddler in California and an infant who is not a U.S. resident.

New York health officials are reporting the first U.S. case of polio in nearly a decade.

Michigan has 19 confirmed cases of monkeypox in the state as of Wednesday.

British officials have bought another 100,000 doses of vaccine to stop monkeypox as the number of cases across the country has risen to more than 2,130.

As of July 19, Michigan has 14 confirmed cases of monkeypox, according to CDC data.

British health officials say there have now been 1,735 confirmed cases of monkeypox and that three-quarters of those cases are in London, according to new numbers released on Tuesday.

Health authorities in Africa say they are treating the expanding monkeypox outbreak here as an emergency and call on rich countries to share the world's limited supply of vaccines.

The World Health Organization’s Europe chief has warned that monkeypox cases across the region have tripled in the last two weeks and called on countries to take stronger measures to ensure the previously rare disease does not become entrenched on the continent.

The European Medicines Agency says it will begin reviewing data to decide if a smallpox vaccine made by the pharmaceutical company Bavarian Nordic might also be authorized for monkeypox, amid a growing outbreak of the disease across the continent.

Florida is the only state that hasn’t preordered COVID-19 vaccines for toddlers in anticipation of their final approval by the federal government.

Next week brings a marathon of hearings as the U.S. decides whether to open COVID-19 vaccinations to kids under 5.

Massachusetts has reported a case of monkeypox in a man who recently traveled to Canada.

Morning 4 is a quick roundup of stories we think you should know about to start your day.

Several Metro Detroit counties have been upgraded to a “high” COVID-19 risk category and are being urged to practice mask wearing in public by the U.S. Centers for Disease Control and Prevention.

A federal judge in Florida struck down a national mask mandate on airplanes and mass transit Monday, and airlines and airports swiftly began repealing their face covering requirements.

Federal officials are dropping a health warning that they have attached to sailing on cruise ships since the start of the pandemic.

Federal officials are extending the requirement for masks on planes and public transportation through mid-April while taking steps that could lead to lifting the rule.