• thallamabond@lemmy.world
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      4 days ago

      Within three to four days, a red, raised and itchy spot develops at the vaccination site. This is a sign of “a take,” which means the vaccine is doing its job. This spot soon turns into a pus-filled blister that gradually gets a little bigger by day 10. Then, it slowly starts to dry out. As the blister heals, a scab develops. This is a normal part of your skin’s healing process. By 14 to 21 days after vaccination, the scab falls off. In its place, a small, pitted scar remains.

      https://my.clevelandclinic.org/health/articles/smallpox-vaccine-scar

        • captainlezbian@lemmy.world
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          3 days ago

          That’s the version that killed smallpox too. Earlier vaccines against it were worse, including some that could give you smallpox, even fatally (but you were less likely to get sick from it than from exposure, and you were less likely to get as sick if you got it from the vaccine than naturally catching it). The vaccine was always controversial, but eventually it became safe enough that enough people became comfortable with it being forced on everyone. This is the first disease we developed vaccination for, and for good reason, it was a gross, painful, deadly, and very infectious disease. If it were still around I’d be first in line for a vaccine even with the blister.

        • Mouselemming@sh.itjust.works
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          4 days ago

          For old USians it’s smallpox, for younger people of other countries it’s BCG. I was zapped for smallpox in 1964.

    • TeaWithDani@lemmy.world
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      4 days ago

      It was a live vaccine unlike other injections which use dead cells. Part of the reason it made a blister. They carried some risks you don’t have with other vaccines.

      Newer smallpox vaccines given to the military no longer cause scars and are much safer. They can be given to immuno compromised individuals.

      • HopeForTheFuture@piefed.zip
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        4 days ago

        I still have the scar from it and I got mine in 2008 or so. Mine was not the injectable version, which is safer for immunocompromised. Mine was the mini fork they stabbed you with a few times to perforate the skin area. It itched so much.

    • driving_crooner@lemmy.eco.br
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      4 days ago

      It was given when people were really small and left a tiny scar, when the body grow up the scar grew up with it

    • Tollana1234567@lemmy.today
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      4 days ago

      apparently its like a fork, they stab you multiple times ina circular pattern. its a bifurcated needle. you get stabbed by the DIY sewing needle, 15times.

      • cannedtuna@lemmy.world
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        4 days ago

        I was reading that article and thinking, wait, isn’t this just the futuristic medicine shown in Star Trek that cures all illnesses? Then at the bottom:

        The term “hypospray”, although better known from its usage in the 1960s television show Star Trek, is attested in the medical literature as early as 1956.

      • ElectricTrombone@lemmy.world
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        3 days ago

        I remember my dad telling me about that when he joined the army. He said they had to line up like cattle and go down a line, and they were multiple guys with those injector guns on both sides of you and you’d get hit in both arms as you went.