
Why does SIRVA happen?
Inappropriate vaccination against the deltoid bursa (a fluid-filled bag near the joints: called the subdeltoid bursa) found deep in the deltoid muscle (shoulder muscle) by the procedure of intramuscular injection. It is believed to be due to injection. Medical institutions are conducting a mission that they have never experienced before, in order to suppress the new coronavirus, by injecting deltoid muscle into almost all the people, but such an adverse event has occurred. It is also true that there is.