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I’m not optimistic this will be all that helpful. Just because the tick you found is negative, that tells you nothing about those you did not find. Just because a tick is positive, that does not mean that it has infected whoever it was attached to.
My understanding is that the ticks only transmit disease after they have been attached long enough to become engorged. None of the ticks shown were engorged.
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Unfortunately there are a number of tick-borne illnesses. Eg, Powassan virus is a viral infection that attacks the central nervous system (leading to encephalitis). It can be transmitted within hours or even just 15 minutes of tick attachment.
Another is Alpha Gal. It is a molecule carried in tick saliva that can cause serious allergies to red meat and even dairy. Because the molecule is in the saliva, it can be delivered immediately.
This is very helpful for determining if prophylactic treatment is necessary after discovering a tick.
If someone doesn’t notice a tick then they aren’t going to be considering prophylactic treatment anyway. It’s for the cases where ticks are discovered.
According to the dutch public health institute, the longer the tick is in the body, the bigger the chance of transmission. Early removal also does not prevent lyme, it just reduces the chances.
Next to that, in The Netherlands we have a site to report tick bites and if they had lyme disease or not. It’s good to know if you should be extra vigilant after a bite from a certain area. I think the self-test could be very useful for such sites.
I think it's super helpful. Sure it doesn't help with ticks, you don't find, but in my experience it starts to itch eventually even with the tick attached. If it's negative good, if it's positive go see a doctor.
This is one of the things that is oft repeated by my vector disease colleagues -- your infection may not be caused by the tick you found, but by the tick you didn't.
> My understanding is that the ticks only transmit disease after they have been attached long enough to become engorged
This understanding will age like milk.
there have been times in my life where this could have saved me a doctors visit, and that's good enough for me
I think you need to stop overthinking. Yes it can make you sick, but the only thing you can do is be on the lookout for it and be smart about avoiding it. I've had around 4-5 ticks in the last years, my kids and family probably around 15-20, one recently near my ankle that probably could've been avoided if I wasn't wearing short trousers. But anyway nobody ever got sick from it and we live in a region with a high prevalence of tick caused encephalitis. There's a vaccine for that so we're all vaccinated now.
Otherwise just enjoy your life.
> My understanding is that the ticks only transmit disease after they have been attached long enough to become engorged. None of the ticks shown were engorged.
I’ve hear stats as long as 24 hours and as short as 30 seconds. One nurse told me that removing ticks by grasping and pulling means they transmit immediately, because you squeeze their contents through their mouths. I no longer believe any of the stats; seems like it could be at any time.