If you live somewhere that Lyme disease is prevalent (much of the eastern US) and spend any time doing outdoorsy stuff (or associate with people that do), it's

If you live somewhere that Lyme disease is prevalent (much of the eastern US) and spend any time doing outdoorsy stuff (or associate with people that do), it's hard not to be aware of Lyme disease. You'll also likely know people who have had it, and other people who have persistent symptoms after an infection.