The End of Lyme?

A new vaccine provides pretty good protection. But you still have to watch out for those ticks!

Back in the 1950s it was polio. Nowadays the big summertime scare--at least in the suburbs of the Northeast and northern Midwest--is Lyme disease. Caught early enough, the tick-borne infection can usually be cleared by taking antibiotics. But if the corkscrew-shaped bacteria, or spirochetes, that cause Lyme disease linger undetected in the body, they can trigger crippling arthritis, serious heart problems and even nerve damage.

This summer could be different. For the first time there is a vaccine against the Lyme-causing spirochetes. It's not perfect--you need to take three shots over 12 months, and by the time you're done you're still...

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