Infectious Diseases

Infectious diseases are everywhere. Learn about infection symptoms, types of infections, prevention and more.

Research: These 8 Body Parts Are the Biggest Entry Points for Germs and Infection

Researchers found we touch a certain body part an average of 23 times per hour! You'll want hand sanitizer close after you read this.

New COVID Variant, HV.1, Is Now Dominating the Country—Expert Doctors Share Facts and Data

Scientists are calling the new COVID variant a "great-grandchild" of Omicron. Here's how fast HV.1 is projected to spread and...


New Study: An Old-School Remedy Shows Impressive Promise at Preventing Serious COVID Infection

Science shows Grandma was right! The researchers even specify a recommended salt-to-water ratio to prepare your formula right at home.


5 Worst Foods for Your Immune System, Say Experts

Research says these treats can dampen your body's defenses at the exact time of year you need your immunity to...


Do Simultaneous Flu & COVID Shots Increase Your Stroke Risk? Here’s the Verdict, Says Res...

A specific audience needs this information the most—and here's why the vast majority of Americans shouldn't be dissuaded.

Research: Long COVID Could Be Caused by Low Levels of a Key Hormone

A University of Pennsylvania study identified three main factors that may be leading to ongoing symptoms for patients...


New Study: Germs Flock to 3 Major Spots on the Body

Microbial research from George Washington University identifies the regions where your skin microbiome could use a little extra scrub-a-dub-dub.


Here’s How Many Germs Are Lurking on Your Smartwatch, According to New Research

A new study cautions that your smartwatch could be more than just a connectivity tool—it might also be a bacterial...


Flu or COVID Quiz: Which Is It? Expert Doctors List 7 Simple Questions To Help You Spot the Difference

Infectious disease and epidemiology doctors help you break down flu and COVID symptoms if you're looking for clues before you...


Can You Use an Expired COVID Test? Expert Doctors Answer

At-home COVID tests have a specific shelf-life. Experts explain how to tell when an expired COVID test is useless,...


Research: Wash Your Hands Immediately After Touching These 10 Things

Washing your hands is a given if you want to avoid infection—but it's especially important after touching...


New Study: If You Test for COVID on This Day of Symptoms, You May Be Testing Too Early

Just-released research suggests that along with evolving variants comes a change in how quickly COVID tests are picking...


Magic Johnson Exclusive: ‘I Needed to Become the Face’ of HIV

Still impressively active, basketball legend Magic Johnson reflects on 32 years of health advocacy and says he's particularly passionate to...

New Data: Long COVID Is Most Prevalent in This Age Group

Long COVID is hitting one population the hardest—and it's not the demographic you might guess, according to a...


COVID Memory Loss: Here Are the Facts, According to Neurology Experts

One neurology doctor confirms COVID sometimes affects the brain's "biochemical environment." Here's how to tell if COVID memory loss...


If You Have This Symptom, It Could Be the New COVID Variant, Says an Expert Doctor

"It's going to be very important this fall and winter for people with upper respiratory symptoms to wear masks," says a...


Over 60 or Pregnant? Then You’ve Got To Know About This New Vaccine, Say Doctors

"This is very exciting," says one infectious disease doctor. The new RSV vaccines are here—and it's not just babies who...


4 Just-Revealed Facts as the New COVID-19 Vaccines Are Released

Here’s How Long the COVID-19 Vaccine Really Works, Says New Study

Is your COVID-19 vaccine still packing a punch? Here's what the latest study reveals.


Doctors Share 6 Ways the May 11 Public Health Emergency’s Ending Will Affect You

The Public Health Emergency (PHE) waived or modified many health regulations during the COVID-19 pandemic, but on May 11,...


Thousands of COVID Tests Have Just Been Recalled by the FDA

If you recently purchased COVID tests at either CVS or Amazon, double-check to see if it's a recalled batch before...


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10 Times You Shouldn’t Use Antibacterial Wipes

Antibacterial wipes are a time-crunched cleaner's best friend—but not when it comes to these cleaning jobs.

5 Fast Facts About the New COVID Variant, Arcturus

The new Arcturus COVID variant is spreading quickly and is causing a particular symptom. Here's what you need to...


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Now You Can Test for Long COVID at Home

"Long COVID doesn't discriminate," says one infectious disease doctor—in fact, 20% of COVID-infected people experience long COVID. Now, long


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5 Long COVID Symptoms That’ll Help Explain the Way You’re Feeling

Researchers say long COVID symptoms can linger weeks, months or even years after you've been infected. Plus, the signs...


What Is Avian Influenza and Can People Get It?

The short answer is that humans are very unlikely to contract the bird flu. Here's what you need to know.


7 Secret Ways Doctors Boost Their Immune Systems

Doctors swear by these daily habits to give your immune system a boost and help prevent what can become serious conditions.


The 6 Worst Germ-Swapping Habits to Officially Stop Doing

Are you still shaking hands? An epidemiologist and etiquette experts offer new rules on the seemingly polite pleasantries you...