Infectious Diseases

Find the latest stories, news, and expert advice about infectious diseases, including common colds, the flu, and foodborne illness.

How to Pick the Best Flu Shot for You

Getting an annual flu shot will cut your chances of coming down with the illness by about half. HealthCentral talked to a flu expert about this year’s vaccine.

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6 Things to Know About Zika Virus During Pregnancy

Are you currently pregnant or planning to conceive? Take these precautions to help prevent getting Zika.

By Eileen Bailey

How to Manage Infection Risk With a Suppressed Immune System

The introduction of biologics and other treatments for RA has been great, but treatments do come with a downside. Since they suppress the immune system, they also increase your risk of infection. How do you treat your RA, while also boosting your immune system?

By Lene Andersen, MSW

What is Valley Fever?

Learn more about valley fever, a strange and rare fungal infection of the lungs.

By Eli Hendel, M.D.

How Mosquitoes' Saliva Can Worsen Diseases They Transmit

Substances in mosquito saliva trigger immune system responses that can increase the severity of the diseases they transmit, like Zika virus, West Nile, malaria, and dengue fever.

By Diane Domina

Hotel Pools and Hot Tubs Linked to Disease Outbreaks

A report issued by the Centers for Disease Control and Prevention (CDC) suggests that one in three waterborne illness outbreaks in the United States between 2000 and 2014 could be traced to hotel pools or hot tubs.

By Diane Domina

U.S. Bug-Bite Illness Rates Triple

The number of illnesses caused by mosquito, tick, and flea bites in the United States rose from 27,388 cases in 2004 to more than 96,075 cases in 2016, according to the latest Vital Signs report from the Centers for Disease Control and Prevention.

By Diane Domina

Study Links 'Mono' Virus to Chronic Conditions

Results of a new study suggest the Epstein-Barr virus (EBV) increases the risk for seven diseases in some people who contract the virus.

By Diane Domina

Should I Work Out If I Have a Cold?

It’s the age-old question of — sleep it out, or sweat it out? Which is the best for your body to heal?

By Jeffrey Heit, M.D.

How Medically Accurate is Your Favorite Hospital Show?

From “Grey’s” to “Scrubs,” learn about how closely your favorite doctor TV shows mimic real-life medicine.

By Lara DeSanto

Your Flu Questions Answered

Can you get the flu after you’ve already had the flu? Is it too late to get your shot? We’ve tapped experts to answer these questions — and more.

By Stephanie Stephens