I think a good test for Lyme disease would be more important than a vaccine (which is welcome too if it works well). The problem with Lyme disease is that it's symptoms are very wide and generic, and the commonly used tests are not very reliable. This means that many people live with the disease not aware of it, while others self-diagnose Lyme disease and cure it even if they didn't have it (because they had symptoms…
I'm not sure why this is getting downvoted. Testing for lyme really is pretty unreliable. Given how hard it is to reliably test for, we really don't have a good grasp on how prevalent lyme infections are. Another thing that would great, in addition to a vaccine and better testing, is prevention. Infected ticks are way more wide spread than they used to be. I've heard various reasons for this, including habitat loss o…
What you want is guinea hens. They're voracious tick eaters. And will hide in trees, etc. at night. But also noisy as hell, and will walk all over roads.
Wild turkeys eat a lot of ticks, so we should be encouraging them.
Northern bobwhite quail are a native (to north america) quail which eat a lock of ticks. But they're near-threatened and very few of them in the wild and they also don't go as far north as New England (we have them here in Ontario but sparsely)