There is a lot of work to be done on these pages on aspiration. I can pay for help.
Denmark has changed their national guidelines https://en.ssi.dk/news/epi-news/2021/… Based on a precautionary principle, we recommend aspiration before injection. https://www.youtube.com/watch?v=H7ina… Evidence from Dr. Peter Gaillard (microparticulate pharmacologist) https://www.linkedin.com/pulse/astraz… Case study evidence Metallic taste in the mouth seconds after ‘intramuscular’ mRNA vaccine administration, (in the absence of an allergic reaction) https://www.youtube.com/watch?v=hbjuW… Other video-based discussions 26th September 2021 https://www.youtube.com/watch?v=nBaIR… 30th September 2021 https://www.youtube.com/watch?v=KgVsd…