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.

Hometown Health Blog

Monitoring the H5N1 avian influenza, bird flu, outbreak

A Mayo Clinic expert shares what you need to know about the H5N1 avian influenza outbreak and why the public health risk remains low. Find out the steps to take to ensure food remains safe.

May 31, 2024

Answers to 3 common questions about measles

Measles was declared eliminated from the U.S., but cases are returning. Get answers to common questions about measles, and read why vaccination is the best defense against the spread of the virus.

Sarah Scherger MD By Sarah Scherger May 17, 2024

Taming ticks: Tips to avoid or remove a tick

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 6, 2024

Foreign travel plans? What to know about influenza before you go

Did you know influenza is the most common, vaccine-preventable disease for travelers? Be a smart traveler, and talk to your healthcare team about flu vaccination before your trip.

Jessica Sheehy PAC By Jessica Sheehy April 4, 2024

Stay healthy abroad: Why you should see a travel medicine specialist before your trip

If you're planning international travel, checking in with a travel medicine specialist can help ensure you're informed, prepared and protected against possible health risks.

Bharath Raj Varatharaj Palraj MD By Raj Palraj March 20, 2024

Steps to prevent norovirus

Anyone can be infected with the highly contagious illness norovirus. Follow these tips to decrease your risk of getting the viruses that cause gastroenteritis, often referred to as the stomach flu.

Timothy Slama, D.O. By Timothy Slama March 13, 2024

Bronchiolitis in children: Understanding cause, symptoms, concerns

For parents, the symptoms of a viral illness are worrisome in infants and young children. Learn about a lower respiratory viral infection called bronchiolitis and symptoms to watch for in children.

January 11, 2024

6 common flu misconceptions

Common myths about the flu may keep you from taking the necessary steps to protect yourself from the illness. Learn the truth about lowering your risk — starting with the annual flu vaccine.

Jennifer Johnson DO By Jennifer Johnson December 22, 2023

Winter wellness: 7 tips for staying healthy during the holidays

Discover strategies for staying healthy during winter festivities. From staying hydrated to conquering stress, you can enjoy the holiday season without compromising your well-being.

Peter Reisner, M.D. By Peter Reisner December 13, 2023

The 5 Ws of healthy hands can help you avoid germs, illnesses

Preventing illness during the cold and flu season starts with the who, what, where, when and why of handwashing. Teach your children about hand hygiene with these tips.

Joslyn Hager, M.D. By Joslyn Hager December 7, 2023

Upper respiratory infection season has arrived

Signs of fall and winter are appearing, temperatures are cooling and cases of flu, strep throat and RSV are increasing. Read four things to know during this year's upper respiratory infection season.

October 2, 2023

At-home COVID-19 tests: What to know about expiration dates, new variants

A Mayo Clinic expert shares what you need to know about expiration dates for at-home COVID-19 tests. Find out if these tests can detect new COVID-19 variants and what to do if the test is positive.

September 20, 2023