This video discusses the pain and stiffness that can come from improper injection of a vaccine. This is a very important topic, especially as the world prepares for massive injections of the vaccine for COVID-19, also know as the Coronavirus or SARS-CoV-2. It is crucial for all vaccine recipients to be aware of this phenomena and how to protect themselves. There are techniques that the injector can perform to minimize this risk. If SIRVA does occur there are treatment options to improve symptoms and speed recovery.