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Another #VaccineConversation about the COVID vaccines - what we are using here in UK and where we might go next. First mRNA vaccines- many of us have had these now and @britsocimm made this brilliant infographic of how they work 
They are super easy to adapt quickly and can be made using information for more than one variant- so last autumn they used info (mRNA) from a newer COVID variant and the original ancestral strain to evoke an immune response
They are not actually a new technology and have been tested in labs for years with, at the time of COVID human trials for a variety of infections nature.com/articles/d4158…
