Infectious Diseases

Expert-backed strategies to avoid tick bites this season—from repellents and clothing to essential oils and tick checks.

So what's the difference between Ebola and COVID？

Ebola is different from COVID-19 in many ways.

Expert explains how norovirus spreads in close quarters and what you can do to protect yourself.

Hantavirus is a tiny, round virus about 100 nanometers wide—so small that a thousand of them could fit across the width of a human hair. It is usually spread from ...

Infectious disease experts break down hantavirus risks, symptoms, and how rare person-to-person transmission actually is.

A known seasonal respiratory pathogen is 'doing what it does every winter and spring,' expert says.

Simple saline spray may help kids avoid tonsil surgery.

Epstein-Barr virus hijacks immune cells that cause lupus, researchers say.

More than a temporary cosmetic problem, the infection could gradually worsen and spread across the nail.

Chagas disease is caused by a parasite found in the droppings of kissing bugs, which are left behind after the bugs feed on a person.

Skipping hand washing after using the restroom can quietly spread harmful germs.

The parasite’s DNA has been found in 1,000-year-old human remains from Texas—evidence that the disease has a long history in the United States.

Legionnaires’ disease is back in the headlines, but the deadly illness has been quietly resurging for decades.

Diagnostic tests can offer a window into immune health.

Lyme disease is a bacterial infection transmitted by the bite of infected blacklegged ticks, affecting nearly 500,000 people in the United States each year.

TCM views chikungunya as a damp-heat illness and recommends herbs, teas, and foods to counter it.

Chinese herbal medicine, acupuncture, sitz baths, and dietary and lifestyle adjustments can effectively address urinary tract infections at their root.

More than 7,000 chikungunya cases have been reported in Guangdong as the CDC advises enhanced precautions for American travelers.

This is the fourth recorded death of Australian bat lyssavirus (ABLV) in the country's history

Omicron subvariant NB.1.8.1 is now dominant in the U.S. 

Natural approaches and lifestyle changes may help ease symptoms and support recovery.

Plantar warts are painful foot lesions caused by a common virus.

Scientists uncover why Lyme disease lingers and how to fight it.

For many, air travel comes with the persistent fear of catching a cold—or worse—on the journey. Considering the close-quarters contact and recycled air involved, this fear is not ungrounded. Watch ...

Approximately 80 percent of children will have a middle ear infection at some point in their lives.

Avian influenza, commonly referred to as the "bird flu," is spreading rapidly across the United States. In a recent "Health 1+1" episode, Xiaoxu Sean Lin, a U.S. virology expert and ...