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An important piece of research is being done to find out if ppl with #LongCovid have Mast Cell Activation Syndrome or Histamine Intolerance. First time we have got this issue on air. @BBCLookEast Pls download the Peoplewith App to help the research. Full video in comments. pic.twitter.com/k035CxR8kA
— Nicola Haseler (@BBCNicola) September 29, 2020