https://www.uptodate.com/contents/what-to-do-after-a-tick-bite-to-prevent-lyme-disease-beyond-the-basics https://www.uptodate.com/contents/what-to-do-after-a-ti

https://www.uptodate.com/contents/what-to-do-after-a-tick-bite-to-prevent-lyme-disease-beyond-the-basics https://www.uptodate.com/contents/what-to-do-after-a-tick-bi... > Even if a tick is attached, it must have taken a blood meal to transmit Lyme disease. At least 36 to 48 hours of feeding is typically required for a tick to have fed and then transmit the bacterium that causes Lyme disease.