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Health Topics

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

COVID-19 Vaccine

Vaccines help your body build up the ability to fight off a virus. A vaccine may not prevent you from getting the COVID-19 virus. But if you do get it, the vaccination may keep you from becoming seriously ill. Or it may keep you from developing complications due to the illness.

In The News

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
COVID-19 therapy milestone reached

This week marks a milestone, as Mayo Clinic Health System infused its 10,000th patient with monoclonal antibodies.

December 20, 2021
Vaccination sites relocating to main campuses in multiple locations

COVID-19 and influenza vaccination sites will relocate back to the main clinic campuses in Austin, Albert Lea, Owatonna and Red Wing. Patients will go to the clinic’s main entrance to check i...

December 13, 2021
COVID-19 booster vaccinations available for ages 16 and 17

The booster dose will further protect teenagers and others against COVID-19 infection.

December 10, 2021
Southwest Wisconsin COVID-19, flu vaccination

Learn about testing volumes, and how to schedule a COVID-19 and flu vaccination, or COVID-19 test.

December 7, 2021
COVID-19 vaccinations now available at mobile health clinic

Mayo Clinic Health System's mobile health clinic is now providing COVID-19 vaccinations to anyone ages 12 and older.

November 22, 2021
COVID-19 vaccination plan for children

Mayo Clinic is preparing to vaccinate children 5‒11 for COVID-19 beginning Friday, Nov. 5.

November 3, 2021
COVID-19 booster vaccinations, flu vaccinations available

Locations in Southeast Minnesota are offering Johnson & Johnson, Moderna and Pfizer COVID-19 booster vaccinations.

November 1, 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
Vaccine clinic in La Crosse extended

Flu and COVID-19 vaccinations are available Tuesdays through Thursdays, from 8 a.m. to 5:30 p.m. through Nov. 11.

October 20, 2021
La Crosse reopens dedicated COVID-19 testing site

The site will reopen Tuesday, Aug. 31, at the corner of 10th and Market streets, and be open from 8:30 a.m.–5 p.m.

August 25, 2021
Visitor policy to change in Northwest Wisconsin

The number of visitors allowed in hospitals and clinics will change to one designated visitor per patient beginning at 6 a.m. on Monday, Aug. 23.

August 20, 2021

From The Blog

Hands using cellphone

Mayo Clinic App makes managing health care a breeze

College student Lucas Anderson found that using Patient Online Services on the Mayo Clinic App made it easy for him manage his health care.

January 17, 2022
Swabbing for COVID-19 test

Emergency departments not for COVID-19 testing

If you need to test for COVID-19, Mayo Clinic health experts remind you not to go to the emergency department as it is for patients with life-threatening needs.

January 17, 2022
Wearing surgical mask

How to decide which mask is best for you

Several mask options can help slow the spread of COVID-19. A Mayo Clinic expert demonstrates how to properly wear these masks.

January 14, 2022
Drinking tea, sweater draped over shoulders

Tips for at-home COVID-19 care

When you become infected with COVID-19, what are you supposed to do? If you are experiencing mild symptoms, follow these tips.

January 12, 2022
Teens sitting and talking

COVID-19 booster vaccination for 12- to 15-year-olds

The Food and Drug Administration amended its emergency use authorization for the Pfizer COVID-19 vaccine to expand the use of a single booster dose to 12- to 15-year-olds. Here's what you need to know.

January 11, 2022
Masked person looking at cellphone

Types of COVID-19 tests, when to use them

You may have questions about differences in the types of COVID-19 tests available and when to use them. A Mayo Clinic expert breaks down the testing options and explains how they work.

December 30, 2021
Levi Dahling

Don't delay getting your child vaccinated for COVID-19

With the emergence of the delta and omicron variants, it's more important than ever to protect children with a vaccine. Read about one family's decision to have their son vaccinated, and learn how to schedule your child's appointment.

December 28, 2021
Masked person wearing earmuffs and coat outdoors

State of COVID-19 pandemic with omicron variant

Researchers continue to monitor the COVID-19 omicron variant. A Mayo Clinic expert offers insight into what the emergence of omicron says about the current and future state of the COVID-19 pandemic.

December 14, 2021
Masked teen wearing hoodie

COVID-19 booster vaccine for teens

The Food and Drug Administration and Centers for Disease Control and Prevention have authorized Pfizer COVID-19 booster vaccinations for 16- and 17-year-olds. Here's how to schedule your teen's appointment.

December 14, 2021
Masked person in store

COVID-19 vaccines important with omicron variant

Research studies have shown three doses of the Pfizer COVID-19 vaccine neutralized the omicron variant, while two doses reduced severity. A Mayo Clinic expert provides detail and stresses the importance of getting vaccinated.

December 10, 2021
Perusing using cellphone outside while masked

Where to find proof of COVID-19 vaccination, test results

Need to show proof of your COVID-19 vaccination and tests? Learn how to use your Patient Online Services account or the Mayo Clinic app to access proof.

December 9, 2021
Masked person wearing scarf

Omicron transmissibility and virulence: What do these terms mean?

Cases of COVID-19 caused by the omicron variant have been detected in the U.S. Medical experts discuss its transmissibility and virulence. A Mayo Clinic infectious diseases expert explains what those terms mean.

December 7, 2021