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

'COVID-19: What's New and What's Next' community forum

What does it mean to move from pandemic to endemic, and is society there yet? Get the latest COVID-19 information and learn what life will be like following the pandemic.

March 15, 2022
COVID-19 testing volume increase expected

La Crosse testing doubled on Monday, Dec. 27. Getting vaccinated and wearing a mask in public are key to reducing infection rates.

December 28, 2021
Additional COVID-19 boosters begin in Southwest Wisconsin

Options for COVID-19 booster shots have expanded to include Moderna and Johnson & Johnson vaccines this week.

October 26, 2021

From The Blog

Don't skip your flu shot this year

Put up your best defense. It's time for your seasonal flu shot. Learn why it's more important than ever to be vaccinated.

Jennifer Johnson DO By Jennifer Johnson September 22, 2022

Expect a different flu season: Why you'll want to be vaccinated for the flu

This year's flu season could be different than the last two years. A Mayo Clinic expert explains why vaccination for flu will be important this year.

September 8, 2022

Monkeypox Q&A

Health officials continue to monitor and track increasing cases of monkeypox. Learn about symptoms, how it spreads, who should be tested and if a vaccine is available.

August 17, 2022

Syphilis: A rising community presence

The rate of syphilis infection is increasing across the nation. Learn more about syphilis and how you can reduce your risk of getting or spreading the infection.

Trevor Rich, M.D. By Trevor Rich July 27, 2022

What you need to know about monkeypox

The CDC is tracking multiple clusters of monkeypox. A Mayo Clinic expert explains what this virus is, how it's transmitted and what you need to know.

May 25, 2022

COVID-19 booster vaccinations extended to kids 5–11

Vaccination continues to be a safe, effective way to prevent serious illness and hospitalizations from COVID-19. Here's what parents of children ages 5–11 need to know.

May 24, 2022

Taming ticks

While you're enjoying the outdoors, ticks are looking for a ride — and a meal. Ticks survive on blood from humans and animals, and can transmit disease. Learn how to tame these unwelcome hitchhikers.

Katie Clubb MD By Katie Clubb May 11, 2022

What to know about FDA limits on use of J&J COVID-19 vaccine

Because of an elevated, but low, risk of blood clots associated with the J&J COVID-19 vaccine, the FDA has limited its use. A Mayo Clinic expert explains what the latest recommendation means for you.

May 10, 2022

Shingles: Not just a band of blisters

If you've ever had chickenpox, you may be susceptible to shingles. This common condition causes a painful, blistered rash. Learn about prevention and treatment.

Jeffery Wheeler MD By Jeffery Wheeler April 13, 2022

Second COVID-19 booster for those 50 and older, immunocompromised

The Centers for Disease Control and Prevention has expanded eligibility for a second COVID-19 booster. Get the details with this Q&A.

April 8, 2022

Dealing with 'brain fog' from long COVID-19

One symptom of post-COVID syndrome is described as "brain fog." Learn what you can do if you have short-term memory loss, confusion and difficulty concentrating after a COVID-19 infection.

March 29, 2022

Endemic vs. epidemic vs. pandemic: What you need to know

The drop in COVID-19 cases may lead you to think the pandemic is ending. While stats are headed in the right direction, an infectious diseases expert explains why it's too early to say it's over.

March 10, 2022