Health Topics

Find information on many health topics, listed A to Z.

Infectious Diseases

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful, but some organisms under certain conditions may cause disease.

In The News

Our response to COVID-19, visitor restrictions in Northwest Wisconsin

We’re monitoring this ever changing situation, and are prepared and ready to serve your needs.

March 13, 2020

From The Blog

COVID-19 vaccination card

COVID-19 vaccine urgency as delta variant spreads

The COVID-19 delta variant is spreading globally, and is more contagious and causing more severe illness than previous strains. Read a Q&A to learn why getting the COVID-19 vaccine is more important than ever.

July 26, 2021
Person wearing glasses and masked in a public place

Managing anxiety: Making the COVID-19 transition

The COVID-19 pandemic upended daily activities and may have caused anxiety about your safety. Get guidance on making a new start so you can move ahead.

YaserDorriPhD By Yaser Dorri July 23, 2021
Susan Fox

Caring COVID-19 nurse changed everything

Help is just a phone call away. That's what Susan Fox discovered when she called the Mayo Clinic COVID-19 Nurse Line. Read about her journey to an unexpected diagnosis.

July 22, 2021
Gloved hands giving COVID-19 vaccination in bare arm

Unvaccinated at highest risk of delta variant infection

The delta variant is being blamed for hot spots in the U.S. where cases of COVID-19 are on the rise. A Mayo Clinic expert expands on how this highly transmissible variant continues to spread.

July 21, 2021
Looking at prescription bottle

Your role in stopping 'superbugs'

When used correctly, antibiotics could be considered the life preservers of health care. But some bacteria are antibiotic-resistant and become a "superbug." Discover how you can reduce antibiotic resistance.

July 13, 2021
Lake surrounded by woods

Complex brain surgery gives woman more time with family

Julie Berg's life revolves around family, friends and faith. When her health was tested by an aggressive brain tumor and COVID-19 diagnosis, she leaned on these things for support and her health care team for expert surgical care.

June 21, 2021
Chairs set up outdoors for wedding

COVID-19 and celebrations: Tips for gathering safely

Nearly everyone had at least one event delayed due to the COVID-19 pandemic. While eager to be with friends and family again, here's how to limit your risk and protect others during in-person gatherings.

June 11, 2021
Looking out airport window at airplanes

Tips for traveling after getting vaccinated for COVID-19

While many restrictions have been lifted, COVID-19 has not gone away. So how safe is it to travel? A Mayo Clinic infectious diseases expert answers your questions.

June 9, 2021
Gloved hands placing bandage on arm

Recent infection could affect COVID-19 vaccination

Getting vaccinated for COVID-19 is an essential tool in fighting the pandemic. But a recent COVID-19 infection could affect the recommended timing of your vaccination. Get the details.

June 3, 2021
Smelling plate of food

Q&A: COVID-19 and loss of smell, taste

If you've lost your sense of smell this past year, you're not alone. Learn what you might expect, how long it could last, why COVID-19 can affect it and more.

David Valencia MD By David Valencia June 3, 2021
Family caregiver and charge laughing together

How the COVID-19 pandemic is affecting caregiving

It's not surprising that the COVID-19 pandemic changed how we provided caregiving for our loved ones. Read how it's changed, and get tips for positive caregiving support within a family.

Sarah Cormell, L.C.S.W. By Sarah Cormell May 25, 2021
Masked person walking into building

Mayo Clinic updates masking, in-person meeting guidance

The CDC has stated that people who are fully vaccinated for COVID-19 don't need to socially distance or wear a mask indoors in most settings. Here's what you need to know when visiting Mayo Clinic Health System.

May 24, 2021