• TootSweet@lemmy.world
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    19 days ago

    Ok, if I tell you all what it is, promise not to call me old.

    I promise not to call you old

    Polio smallpox or tuberculosis vaccine scar.

      • Tollana1234567@lemmy.today
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        19 days ago

        smallpox

        TB doesnt cause the scar like that. the tuberculin test causes a swelling, to determine if you have been infected with TB, or if you are a foreigner who had BCG vaccine.

        • somethingsnappy@lemmy.world
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          19 days ago

          No. BCG scar, which was developed as a TB vaccine. It is only efficacious in some forms of infant TB, though.

          Smallpox innoculation scars are smaller, among other things.

          Source, tb vaccine research career.

          • TheEmpireStrikesDak@thelemmy.club
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            18 days ago

            BCG definitely did leave a scar. We all had to get vaccinated again (the entire school) when my GCSE art teacher got TB and coughed all over everyone instead of staying at home. I had the skin test that showed I already had immunity, when most of the others had to have the BCG. I remember the nurse making me go behind a screen to take off my shirt so she could check for my BCG scar.

            I don’t have the scar anymore. But it was there during my younger years.

            • somethingsnappy@lemmy.world
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              18 days ago

              Oof. The skin test is not reliable. Either is revaccinating. But, they didn’t have good data on either for a long time. Not fun.

          • Successful_Try543@feddit.org
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            19 days ago

            I wouldn’t say they are smaller, but they look different. I’m not an expert, but I’d say the two upper scars are from the two mandatory smallpox vaccinations and the lower from the (likely also mandatory) bcg injection.

            Three vaccine scars on the arm of a Dutch woman in her 20s. Photo 1970

      • thallamabond@lemmy.world
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        19 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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            18 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.

        • ElectricTrombone@lemmy.world
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          19 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.

        • cannedtuna@lemmy.world
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          19 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.

      • Tollana1234567@lemmy.today
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        19 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.

      • TeaWithDani@lemmy.world
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        19 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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          19 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.