A tick usually needs to be attached for 24 hours or more to transmit Lyme disease bacteria.
When you find a tick on yourself or your child, your first response might be panic. After all, you’ve probably heard of Lyme disease and all the unpleasant symptoms that come along with it. But understanding the transmission timeline can help you respond calmly and appropriately to protect your family.
It takes 24 hours for ticks to transmit Lyme disease. That’s because the bacteria live in the tick’s gut, not its saliva. When a tick bites, it takes time for the bacteria to move from the gut to the salivary glands and into your bloodstream. This is why early detection and removal are so effective at preventing infection.
If you remove a tick within the first 24 hours, the transmission risk drops considerably. That means daily tick checks on children and pets after outdoor play are one of the most effective prevention measures you can take. Check carefully around the hairline, behind ears, underarms, and behind knees where ticks often attach.
But bear in mind this important caveat: nymph ticks are very small. They’re roughly the size of poppy seeds and can be very hard to spot on skin or clothing. Because they’re so small, you might not notice one right away, even with careful checking. About 20% of nymphs in New England carry Lyme disease bacteria, and they’re most active in late spring and early summer when children are playing outside more often.
Research from Dartmouth published in January 2025 found that approximately 50% of adult blacklegged ticks in the Northeast now carry Lyme disease bacteria. This percentage is continuing to trend upward as well. Massachusetts has declared Lyme disease an epidemic, and Plymouth County, which includes Hingham, is a known hotspot for tick-borne illness.
All that is to say that while the 24-hour window is reassuring, it’s still a good idea to reduce tick populations in your yard to further reduce your odds of falling ill. Fewer ticks means fewer opportunities for bites, and less worry.
For families who want season-long protection starting early in the year, Mosquito Squad of Boston Metro South's Complete Home & Yard protection in Hingham provides barrier treatments that reduce tick populations by up to 85-90% throughout the active season. A professional inspection identifies the areas of your property where ticks are most likely to be found, including yard edges, leaf litter, and woodpiles. These areas are then targeted with treatments that help control the populations before they pose a risk to your family.
Working with a trusted professional for all your outdoor pest control needs, from ticks and mosquitoes to other biting insects, is a great way to make sure your family can enjoy your yard safely from early spring to the last outdoor gatherings of fall.