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Just to set the record straight, the first time I heard of 'Stevens-Johnson's Syndrome' was a supposed social media post authored by a person calling themselves Dr-Cynthia Foster.
The video link posted above may be a bunch of fakery, but it would represent a fair amount of work and my guess is that it's probably legit. The person could be a fake doctor, but unlike you, they used a real name so there is some degree of ability to validate that she exists and holds a Doctorate in something at least. I've not done this which is why I'm putting limited stock in her story.
After researching SJS a little bit I immediately recognized it as very much the kinds of (not even side-)effect that I would expect from the genetic manipulation technology they are using. Again, if they call it a vaccine Big Pharma can get legal indemnity more easily, but it doesn't seem to have much to do with vaccination. In subsequent research I am seeing more and more about an association between the GMO treatment and SJS including more in the social media comments.
Another interesting (and entirely expected) thing I picked up was that before getting the GMO treatment the targets had to sign a legal document saying that they would keep quite about any side effects that they might have. Some people seem to have read and understood this fine print and some people seem to have not. For the latter we can anticipate that in addition to fighting hideous medical problems caused by entering into the world of trans-humanism, they are also likely to be having some legal bills brought on by not keeping their mouths shut.