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In the spring and summer, everyone races outside with their dogs to enjoy the warmer weather, but a new study suggests there is a downside to that.

More children are bitten by dogs in those months, according to researchers at Nemours Children's Health.

But a dog bite isn't inevitable: It's possible to keep both dogs and children safer, and to provide proper care if the unfortunate d...

Cases of the mosquito-borne illness dengue are typically seen in the tropics, but with the changing climate that may be changing.

Doctors from the United Kingdom and France are scheduled to present a case study at a meeting of a European medical association about a British woman who contracted dengue in September on a trip to Nice, France.

The woman, aged 44, had fevers, headache b...

Mosquitoes appear to be affected by artificial light at night, but whether that's a good or bad thing is an open question.

New research finds that urban light pollution may disrupt the winter dormancy period of the mosquitoes that transmit the West Nile virus.

That could be good because they may not fatten up in winter, which could affect their survival. And it could be bad because ...

A family vacation to remember, but maybe not for the best reasons.

Doctors report on an unusual case where a hungry iguana bit a vacationing toddler's hand, passing on an infection with a germ called Mycobacterium marinum.

A 3-year-old girl named Lena Mars, of San Jose, Ca., was visiting Costa Rica with her family and eating cake while sitting on the beach. Suddenly an igua...

If you are experiencing mysterious recurrent vomiting, diarrhea and abdominal pain, you may want to consider that a tick could be responsible.

When the lone star tick bites a person, it can transmit something called "alpha gal,"the sugar that's present in all mammals except humans, explained Dr. Sara...

It's a little safer to get into the water: Unprovoked shark attacks dropped to a 10-year low worldwide in 2022, shark watchers say.

A total of 57 unprovoked bites occurred in 2022, tying with 2020 for the fewest number of reported incidents during the last 10 years, according to the University of Florida's International Shark Attack File.

Of those attacks, five were fatal -- do...

Researchers are reporting early but encouraging findings on a potential new way to prevent malaria -- an old foe that still ranks as a major killer worldwide.

In a small trial of healthy volunteers, U.S. government researchers found that a lab-engineered antibody protected most participants from infecti...

You may not have even considered the possibility, but new research finds that flies and roaches are not likely to spread COVID-19.

Although public health professionals and officials now have a better understanding of how COVID-19 spreads, there are lingering concerns about whether it can spread indirectly through contaminated surfaces, animals or insects.

According to study co-autho...

Bugs are a part of summer, like it or not.

While many times bug bites are little more than an irritating inconvenience, some can trigger a medical emergency, according to the American College of Emergency Physicians (ACEP), which offered tips on telling one from the other.

"While most bug bites or stings are minor and can be treated at home, some reactions can quickly become severe ...

TUESDAY, Feb. 8, 2022 (HealthDay News ) -- Mosquitoes see red when they look at your skin, and that brings them in for a bite, according to research showing that these insects find certain colors more attractive.

The findings mean that what you wear can reduce your chances of being bitten, but there's little ...

Three people died recently in the United States recently from rabies linked to bats, the U.S. Centers for Disease Control and Prevention said Thursday. They bring the total number of U.S. rabies cases in 2021 to five.

That's a sharp rise over prior years -- no reported rabies cases in people were reported in the United States during 2019 and 2020, the CDC noted. Overall, the number of rab...

An experimental Lyme disease vaccine shows promise in animal studies and could also help protect against other tick-borne diseases, researchers say.

The vaccine -- which relies on the same mRNA technology used by some COVID-19 vaccines -- protected guinea pigs against infection by Borrelia burgdorferi, the bacterium that causes Lyme disease.

The vaccine doesn't trigger the ...

The tell-tale sign of Lyme disease is its bulls-eye rash, but that might be harder to spot in Black people, who are often diagnosed with more advanced disease than white people are, new research suggests.

The first sign of Lyme disease looks different on darker skin, and these differences are not usually reflected in images found in medical textbooks, explained study author Dr. Dan Ly. He...

Scientists in Japan have discovered yet another tick-borne virus that can make people sick.

The Yezo virus is transmitted by tick bites, and triggers fever and a reduction in blood platelets and white blood cells.

"At least seven people have been infected with this new virus in Japan since 2014, but, so far, no deaths have been confirmed," said Keita Matsuno, a virologist at Hokkaid...

Lyme disease can exact a significant mental toll as well as a physical one on its sufferers, a new study confirms.

Patients hospitalized for Lyme disease had a 28% higher incidence of mental disorders and were twice as likely to attempt suicide than people without Lyme, researchers report.

"These findings highlight the need for greater awareness in the medical community that patien...