Apologies if this has already been posted as it is a few months old. Too much text to post but main point is researchers have identified a naturally occurring protein that can act similar to and has a similar genetic ancestry to snake venom when one’s immune system reacts to COVID. The theory is that those with higher amounts are the ones who are most likely to succumb. Also makes me wonder if the vaccine is triggering the same effect. Would explain a lot.
https://news.arizona.edu/story/venom-coursing-through-body-researchers-identify-mechanism-driving-covid-19-mortality