Most Americans haven’t been vaccinated this year and health experts are worried about outbreaks of COVID, flu and RSV.

U.S. health officials said a California infant has died and at least 10 other people have been sickened in an outbreak of listeria food poisoning tied to ready-to-eat meat and poultry products that include chicken feet, duck neck and pork hock, feet and tongue.

There's some good news about sexually-transmitted diseases in newly released U.S. health data.

The study found a 117% increase in heat-related deaths in the U.S. from 1999 to 2023.

Authorities in Congo say the first batch of mpox vaccine has arrived in Congo’s capital, three weeks after the World Health Organization declared mpox outbreaks in 12 African countries a global emergency.

Africa's public health body is seeing a rapid increase in mpox cases, with almost 4,000 reported on the continent in the last week.

On this week's edition of Doc Talk, Dr. Amy Cobb with University Health joined KSAT 12 anchors Myra Arthur and Stephania Jimenez to answer viewers' health questions.

The Texas heat can be unbearable, and for people with diabetes, it can really be challenging dealing with scorching temperatures.

A sick kitten that later tested positive for rabies bit a resident in Kerr County over the weekend, according to the county’s animal services department.

Comedian and social media influencer AJ Rivas sat down with KSAT to talk about his career, what inspires his characters and a new CDC campaign that helps the Latino community with HIV at-home testing.

The Centers for Disease Control and Prevention is warning bearded dragon owners about a salmonella outbreak in the U.S. that has sickened 15 people, including one in Texas.

A UT-Health San Antonio doctor says the warning is for those looking for cheaper services who are turning to makeshift clinics for the anti-wrinkle injections.

There have been 17 times as many U.S. measles cases in the first three months of this year compared with the average number seen in the first three months of the previous three years.

Stacker compiled a list of counties with the highest rate of strokes in Texas using data from Centers for Disease Control and Prevention.

The CDC is launching a new campaign called 'Tips From Former Smokers.' It tells the stories of 7 former smokers and what they did to turn their lives around.

The Centers for Disease Control and Prevention is investigating a listeria outbreak linked to queso fresco, cotija cheese and other dairy products.

'Beyond Type 1' is a non-profit dedicated to helping people recognize the signs of diabetes and embrace them.

Falls for seniors are on the rise. It's important to know how to make their home safe for them to avoid a hospital trip.

Breast Cancer Awareness month is every October.

Cholesterol is in our blood stream but high levels of bad cholesterol can lead to heart attack, stroke and other health issues.

United Way of San Antonio and Bexar County officials said the 2-1-1 helpline can help find critical resources for surviving loved ones.

A mosquito pool in San Antonio has tested positive for West Nile Virus, according to the City of San Antonio Metropolitan Health District.

Watercress is an ancient green that has been eaten by humans for millennia. Its taste is described as being similar to arugula and horseradish, which means it’s got a bit of a peppery flavor.

There’s been a 12.1% spike in hospitalizations across the country due to COVID-19 in the past week, according to the Centers for Disease Control and Prevention.

Dr. Jason Bowling, an infectious disease specialist with UT Health San Antonio, joined Leading SA to discuss what is happening and what families should know following confirmed cases of Malaria and Measles in Texas.

A new trend called exercise snacking is changing the game. It involves incorporating short bursts of activity.

A mosquito pool in San Antonio has tested positive for West Nile Virus, according to the City of San Antonio Metropolitan Health District.

The U.S. has approved the first vaccine for RSV, shots to protect older adults.

Older Americans and people with weak immune systems can get an extra COVID-19 booster dose this spring.

New data details the nation’s worsening tide of sexually transmitted infections, but health officials are hoping an old drug will help the fight.

For every American killed by gunfire, an estimated two or more more survive, often with terrible injuries.

U.S. cases of a dangerous fungus tripled over just three years, and more than half of states have now reported it.

For many, hearing loss is preventable. There are things you can do now to protect one of your most vital senses.

A gastrointestinal illness spread to over 300 people on a cruise ship out of Galveston, and now the Centers for Disease Control and Prevention is investigating the cause.

Shigella is a bacteria that causes an extremely contagious stomach bug every year. The latest strain seems to be resistant to common antibiotics, causing concern for local doctors and the CDC.

The CDC is warning parents after the death of a newborn was linked to breast pump contamination.

If you have the travel bug, you may also want to think about what bugs, viruses, and germs could be waiting for you in your hotel room.

Vaccination rates for U.S. kindergarteners are down again, and federal officials are launching a new campaign to try to bring them up.

As COVID-19 surges in China, the U.S. is expanding its traveler surveillance program, an early warning system for detecting new variants.

Flu is decreasing in many parts of the country after an alarmingly early and strong start to the season.

Nearly 107,000 Americans died of drug overdoses last year.

The Alamo Center focuses on education and treatment for substance abuse disorder but with the lingering opioid epidemic, they've been busier than ever.

The Biden administration attempted to end Title 42 earlier this year before a federal judge blocked the move. A different federal court has now ordered that the federal health order be lifted.

From allergy relief to protection from the flu, a quick pump delivers medication directly into the respiratory system. Now, Yale researchers are testing a COVID booster nasal spray.

Centers for Disease Control and Prevention data shows Texas is one of the dozens of states where reports of respiratory illness are very high.

The San Antonio Metropolitan Health District will benefit from more than $3 billion in federal grants aimed at building public health infrastructure.

Title 42 was invoked early in the pandemic by the Trump administration and continued under President Joe Biden. Since then, immigration officials have used it more than 2 million times to turn away asylum-seekers at the border.

The Centers for Disease Control and Prevention does not mandate immunization requirements for vaccines in schools despite recent reports that suggest otherwise.

The Africa Centers for Disease Control and Prevention says Uganda next week will host a ministerial meeting on the outbreak of the Sudan strain of the Ebola virus which has no proven vaccine and has caused alarm in the East Africa region.

A federally funded study has found a possible link between aluminum in some childhood vaccines and persistent asthma, but experts say the study has several shortcomings.

The newest COVID-19 boosters are making their way to doctors’ offices and pharmacies around the country.

Monkeypox cases are on the rise across the U.S., including Texas, but the number of cases in Bexar County remains relatively low.

Recess, for many of us, was our favorite part of the school day. Today, the average recess is 27 minutes, if kids get a recess at all.

The NFL essentially is back to normal entering its third season amid COVID-19.

Federal changes in the Monkeypox dosing will help stretch the limited supply of the vaccines to more people.

There is a new guideline for parents on how to support their teens’ emotional and mental health.

Metro Health is providing a daily dashboard to show current cases of monkeypox in San Antonio.

Austin Public Health (APH) confirmed six monkeypox cases and seven presumptive cases on Wednesday.

Some local parents jumped at the opportunity to get their young ones some added protection against COVID-19.

The FDA advisers give the green light to Moderna and Pfizer COVID vaccines for kids under the age of five. According to the White House, shots could be ready as soon as next week.

With Easter just days away, be careful what you’re putting into your sweet treat baskets.

House Speaker Nancy Pelosi has tested positive for COVID-19, her spokesman says.

After the last couple years of living through a global pandemic, it seems as though most of us are itching to get in some good travel time.

The CDC recently updated a checklist for developmental milestones for children. While it’s a step in being proactive to identify delays, some health professionals fear it could have the opposite effect.

A healthy diet is important for everyone. But certain foods are particularly beneficial for helping issues that affect women.

Whether you’re cooking up something simple or creating a masterpiece there’s some things everybody needs to know.

Texas Attorney General Ken Paxton and U.S. Rep. Beth Van Duyne, R-Irving, are suing the Biden administration to end mask mandates on planes.

A dozen countries, including Mexico and Brazil, have been added to the Centers for Disease Control and Prevention’s list for the highest level of risk associated with COVID-19.

Local healthcare systems are battling another COVID surge while simultaneously dealing with shortages with their permanent staff, forcing them to rely on outside help.

University Health Epidemiologist Dr. Jason Bowling answered some frequently asked questions about the effectiveness of different kinds of masks.

The CDC has outlined some guidelines about reusing masks in emergency situations. It’s directed at medical professionals, but some of the advice can also be applied for home use.

A CDC report shows kids 18 years old and younger with COVID-19 are more likely to develop diabetes.

Following a CDC study linking children who had COVID-19 to pediatric diabetes, parents hope it will encourage families to look for signs in their kids.

Seven of the city’s 16 school districts, including three of the city’s largest, have laid out the COVID-19 policies each has in effect as students, teachers, and staff who’d fallen ill prepare to return to campus.

The NFL is reducing isolation time for players who test positive for COVID-19 and are asymptomatic, including unvaccinated players, to five days from 10.

State law requires drivers to move over for stopped emergency responders and maintenance vehicles, but many people still don’t do so. The consequences can be deadly.

A handful of children in San Antonio ages 5-11 got their first dose of the coronavirus vaccine early Wednesday morning.

Walmart is recalling thousands of aromatherapy room sprays as the CDC investigates a rare bacteria and two deaths.

Texans have many questions one day after the U.S. Food and Drug Administration announced major updates regarding COVID-19 booster shots.

A salmonella outbreak that's sickened hundreds has been linked to onions imported from Mexico. The CDC urges people to throw out onions if you don't know where they are from.

A salmonella outbreak affecting 37 states, including Texas, has led to a recall on unlabeled onions per the Centers for Disease Control and Prevention.

The Centers for Disease Control and Prevention is pushing even harder for unvaccinated pregnant women to get their COVID-19 shot due to the severe health risks the delta variant may impose on them and their unborn children.

The U.S. is rolling out new COVID-19 rules for travelers flying into the country.

During the pandemic, frequency of drinking alcohol has gone up,

The American Academy of Pediatrics (AAP) is reporting a steady increase in COVID-19 cases among children in the last month.

Republicans are responding with hostility to new masking guidance from public health officials.

Researchers say they’ve learned lessons and gained valuable information from studying COVID-19 responses in the ICU.

A team at the University of Nebraska Medical Center has created an advanced simulation model that can be used to teach the proper skills to those performing swab tests.

Exposing your child to the water at a very early age could be life saving, when taught the right skills. Learn more about survival swimming and lessons near you.

The Centers for Disease Control wants to make sure it has your attention.

A company has recalled some of its frozen, cooked shrimp that may have been linked to a salmonella outbreak, according to the Centers for Disease Control and Prevention.

Local pediatrician says the issues with heart inflammation are also a side effect of COVID-19 in some patients.

A rabid dog imported into the United States this month has sparked a public health investigation across several states.

The Centers for Disease Control and Prevention has given more than $190 million total to the state health department and Texas jurisdictions to address health and economic inequalities that have been amplified during the coronavirus pandemic.

From early morning homeroom to late-night sports and social activities, high schoolers have hectic schedules. But if your teen is sacrificing sleep, they may also be sacrificing their health.

Education scientists say the physical and mental burden of having to pay extra attention to what others say can be exhausting.

Health officials say the most common COVID-19 variant of concern circulating in Los Angeles County is now a variant that was discovered in the U.K. Previously, two California variants were dominant, but in the past week 53% of 40 specimens analyzed by a public health laboratory were the U.K. variant and none were California variants.