 Friday, October 9, 2026
Fall colors are moving in, but mosquitoes
and ticks haven’t checked out yet
Cooler temperatures, changing leaves, pumpkin patches, and scenic hikes are some of the best parts of fall. As more people head outdoors to enjoy the season, the Louisville Metro Department of Public Health and Wellness (LMPHW) is reminding everyone that mosquitoes and ticks are still active and can pose a health risk even in autumn.
Many people assume mosquitoes disappear as soon as the weather cools down, but that's not the case, said Connie Mendel director and chief health strategist at the Louisville Metro Department of Public Health and Wellness.
“Mosquitoes can remain active until the first significant frost, although some can endure longer,” Mendel said. “Generally, they disappear or enter a dormant state when temperatures consistently drop below 50 degrees.”
Louisville's recent warm weather may result in increased mosquito activity. Generally, mosquitoes require temperatures around 50 degrees or lower for several weeks to initiate their winter cycle, which typically occurs in November. With daytime temperatures staying in the 70s and 80s and more individuals engaging in outdoor activities, the chances of encountering mosquitoes rise, Mendel said.
“Although mosquito populations are starting to decrease, there are still mosquitoes that carry West Nile virus and are active," she said. "We are observing a reduction in overall mosquito numbers, but those carrying West Nile virus remain present and continue to bite.”
Don't forget about ticks
Fall is also prime time for hiking, camping, and enjoying Kentucky's colorful landscapes. However, fallen leaves and increased ground cover provide excellent hiding places for ticks.
Whether you're exploring local parks, taking a weekend road trip, or enjoying a hike to see the changing colors, it's important to check yourself, children, and pets for ticks when returning indoors. Residents are encouraged to submit ticks for testing when appropriate.
Personal protection during the fall is just as important as it is during the summer months. Our video also explains how we monitor ticks and their populations.
Protect yourself this fall
LMPHW continues to monitor mosquito populations using trap surveillance and addressing community concerns throughout the season. But here are ways you can reduce your risk of mosquito bites and tick encounters:
- Use EPA-registered insect repellents containing DEET, picaridin, IR3535, or oil of lemon eucalyptus.
- Wear long sleeves, long pants, and socks when spending time outdoors.
- Perform tick checks after hiking, yard work, or other outdoor activities.
- Eliminate standing water around your home by checking flowerpots, gutters, birdbaths, pet dishes, pool covers, and discarded tires.
- Winterize swimming pools and keep gutters clean.
- Install or repair window and door screens to keep mosquitoes outside.
- Report mosquito concerns to Metro311 by dialing 311 or 502-574-5000.
Mosquito prevention resources
- Learn more about mosquito fogging by watching this video.
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Watch this video to learn how to reduce mosquito breeding sites around your home.
- To check if your area will be fogged, visit the department’s website or call the mosquito fogging hotline, 502-574-6641.
- To make a complaint about mosquitos in your neighborhood call Metro311 by dialing 311 or 502-574-5000.
Flu season is here: Protect yourself and your family
With children back in school and spending more time indoors together, flu season is underway in Louisville. Close contact in classrooms, cafeterias, and after-school activities can make it easier for the flu and other respiratory illnesses to spread. Taking simple steps now can help protect you and your family.
"Influenza, or the flu, is a contagious respiratory illness that spreads easily from person to person," said Dr. Kris Bryant, associate medical director for the Louisville Metro Department of Public Health and Wellness (LMPHW) and pediatric infectious disease specialist at Norton Children's. "When a person with the flu coughs, sneezes, or talks, tiny droplets carrying the virus can spread to people nearby. The virus can also spread when someone touches a contaminated surface and then touches their eyes, nose, or mouth."
Get vaccinated
One of the best ways to protect yourself and your family is to get an annual flu vaccine. The flu vaccine is recommended for everyone ages 6 months and older. It can help prevent illness and lower the risk of serious complications if you do get sick.
"October is an ideal time to get your flu shot and build protection before flu activity takes off in the community," Dr. Bryant said.
Scheduling a visit with your healthcare provider is a good way to make sure you and your children are up to date on recommended immunizations, including the flu vaccine.
Know the symptoms
Flu symptoms usually come on suddenly and may last a week or more. Common symptoms include:
- Fever (typically above 100.4°F)
- Chills
- Headache
- Body aches
- Extreme tiredness
- Sore throat
- Dry cough
- Runny or stuffy nose
- Vomiting and diarrhea, especially in children
How to protect yourself and others
In addition to vaccination, these simple steps can help reduce the spread of flu and other respiratory illnesses:
- Wash your hands regularly with soap and water.
- Cover coughs and sneezes with your elbow or a tissue.
- Clean and disinfect frequently touched surfaces.
- Wear a well-fitting mask for extra protection against flu and other respiratory illnesses.
- Children younger than 9 who are either getting a flu vaccine for the first time or who have had only a single lifetime dose before the current season need two doses given four weeks apart. Ask your healthcare provider what is recommended for your child.
If you're sick:
- Stay home and avoid close contact with others when possible.
- Contact your healthcare provider about treatment, especially if you are at higher risk of complications.
As always, talk with your healthcare provider about what is best for you and your family.
Get vaccinated at LMPHW
To schedule an appointment at the LMPHW Immunizations Clinic, call 502-574-5380.
LMPHW also offers a mobile immunization clinic that can bring vaccines directly to community events. Organizations interested in hosting a clinic can learn more and submit a request through our website.
Track flu activity in Louisville
Staying informed can help you make healthy decisions for yourself and your family. Our Flu Data Dashboard provides current information on flu activity reported by local hospitals, laboratories, and healthcare providers.
Visit the dashboard to see how flu is affecting our community, monitor local flu trends, and learn more ways to stay healthy this season.
Grab a bite, roll up your sleeve
at Food Truck Wednesdays
Looking for a great lunch option and a convenient way to protect your health this flu season? Join our Mobile Immunizations Clinic and the Louisville Downtown Partnership from 11 a.m. to 2 p.m. for Food Truck Wednesdays on Wednesday, Oct. 21.
Stop by South Fourth Street between Jefferson and Market streets to enjoy lunch from local food trucks while taking advantage of an opportunity to receive your flu vaccine.
The event makes it easy for downtown employees, residents, and visitors to grab a meal and roll up their sleeve to get vaccinated for the flu during the workday. Getting vaccinated is one of the best ways to help protect yourself and those around you from seasonal influenza, helping reduce the risk of illness and missed work or school.
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We have a career waiting just for you
Join our team at LMPHW and help build a healthier Louisville. Explore our latest open positions and apply today.
For more information, please email LMPHWCareers@louisvilleky.gov.
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