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 declines in Southwest Wisconsin

The number of COVID-19 tests performed in La Crosse dropped nearly 50% from record levels in January.

February 8, 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
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

From The Blog

Wearing glassses and grey knit sweater

Updated COVID-19 vaccine recommendations

The Centers for Disease Control and Prevention issued interim recommendations for a shortened interval to the booster, or fourth, dose of mRNA vaccines for immunocompromised people among other updates. Get the details.

February 15, 2022
Lifting pink suitcase at airport

COVID-19 considerations for your winter travel getaway

If you're planning a winter vacation, you'll need to know how the COVID-19 pandemic affects your plans. Follow these guidelines to safely enjoy your time away.

February 10, 2022
Child with arm around parent shoulder

Helping kids struggling with the ever-changing COVID-19 pandemic

Children are once again facing disruption to daily routines due to COVID-19 cases surging. Get advice on how to support kids having difficulty coping with the changes.

February 4, 2022
Syringe fill from vial

Omicron BA.2 subvariant: What Mayo Clinic COVID-19 experts know

Scientists are tracking the rise in cases of omicron BA.2, which they say is even more contagious than the original omicron variant.

February 3, 2022
Child resting chin on palm

How the COVID-19 pandemic is affecting kids

A common misconception is that the effect of COVID-19 on kids is minimal. Learn how the pandemic really affects children physically and mentally.

January 27, 2022
Reading book sitting on sofa

What to do after your COVID-19 test

The high demand for COVID-19 tests continues, along with questions about the various types of tests and what to do if you test positive or negative. Get the details.

January 24, 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
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
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