Scientists scramble to identify culprit behind covid vaccine allergic reactions

All is not going according to plan in the global rollout of what is arguably the most important vaccine in a century, and it is not just growing mistrust in the covid injection effort that was rolled out in record time: an unexpected spike in allergic reactions to the Pfizer/BioNTech vaccine may prove catastrophic to widespread acceptance unless scientists can figure out what is causing it after the FDA’s rushed approval. So in a welcome development, the WSJ reports that according to scientists, the potential culprit causing the allergic reactions to the Pfizer/BioNTech vaccine is the compound polyethylene glycol, also known as PEG. According to the CDC, at least six severe allergic reactions to the vaccine have been reported so far in the US out of 272,001 doses administered through Dec. 19, while at least two cases of anaphylaxis have also occurred in the UK. Polyethylene glycol – a polyether compound derived from petroleum with many applications, from industrial manufacturing to…