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by mihular 1 day ago
AFAIK there was a Lyme disease vaccine, but was discontinued, probably because it wasn't effective enough, I don't remember the details.
3 comments

TL;DR; antivaxers
Nope.

This is key paragraph from the link:

> The effects of vaccination on human behaviour presented yet another important uncertainty. Lyme vaccination, although it provides incomplete protection, may make individuals less likely to limit their exposure to ticks, which might actually increase their risk of Lyme and other tick-borne diseases (e.g. ehrlichiosis, babesiosis and Rocky Mountain spotted fever).

That was a very half-assed attempt. Hopefully a better one is coming soon.

There has been a vaccine for dogs and cats for a while now, not sure why it hasn't been released for humans yet. Lyme can be really horrible. Some people we know have a 30-something son who was very active (camping, hiking, rock climbing, etc.) until he was bitten by a tick. Now he's quadriplegic.
Lots of drugs work for dogs and cats because they don't live longer than 25yrs. A human has 3-4x the lifespan during which side effects can be worse than the disease.
Is that true? I don't know of really any medicine that has side effects 25 years down the line. Would we even know? We don't test new meds that long before release.

Isn't it more because meds are cheaper to test on animals and liability is much lower?

When I asked why there is no human equivalent of flea/tick drops my vet said it was because "when you only live to be 20, you don't worry about smoking when you are 10."
I think the original, mouse brain derived Japanese Enephilitis vaccine, now discontinued, caused symptoms years later.

But prions were the cause, and those are slow acting.

The new, safer vaccine is only recommended if you're going to Japan or surrounding areas, and planning to going outside the city.

Typically because it's rare enough that the cost/side-effect risk of the vaccine isn't judged to be worth it.

Humans generally aren't vaccinated for Rabies either, unless you are e.g. a veterinarian who might have a higher chance of exposure to it.

Encephalitis is much more rare, but it's much worse than lyme. And there's a stab for it. Meanwhile Lyme is much more common, but much simplier to treat. Which is basically „take antibiotics or 3 to 21 days“ depending on how long it's been since the bite.
What is an "encephalitis stab"?
In my whereabouts tick-born encephalitis is a much bigger issue. But thankfully vaccine for it exists.