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And Now, here comes COVID-19 version BA.2, BA.4, BA.5,...
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[QUOTE="Laroxe, post: 6839738, member: 555853"] Its currently considered that the myocarditis associated with Covid vaccination reflects a particular type of immune activation that can occur following a lot of infections and vaccinations. Its a useful reminder about the state of our knowledge about our immune system prior to Covid 19 that we still don't know why Covid 19 appears so good at invoking this, but its still a rare reaction. I haven't seen any research attempting to link this specific adverse effect to the others seen after vaccination that reflect a broader inflammatory reaction. It may have been the publicity following the death of a well known athlete that brought this issue to public attention and increased surveillance as these serious outcomes are extremely rare. In all types of myocarditis physical exertion increases risk and we still don't know if the deaths are associated with previous undiagnosed pathology. In the great majority of cases this sort of myocarditis recovers quickly with rest and it is much more likely following actual infection rather than vaccination. Its interesting that this adverse event was not recognised in the UK despite the early start of the vaccination program there. They started with the astra zenica vaccine which appears far less likely to cause this problem, introduced vaccination based on age and risk, again the elderly being less at risk and then introduced a longer gap between the 1st and 2nd dose which again reduces risk The people most at risk are the people that we would expect to have a rapid immune response, young adults, particularly males, the mRNA vaccines appear to stimulate a rapid antigenic response and this is increased if the vaccine doses are given closely together. This provides lots of info. [URL]https://www.mdpi.com/2076-393X/9/10/1186[/URL] [/QUOTE]
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And Now, here comes COVID-19 version BA.2, BA.4, BA.5,...
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