Shoulder injury related to vaccine administration (SIRVA): What do we know about its incidence and impact?

•SIRVA case reports identified indicates health practitioner knowledge may be limited.•Evidence indicates SIRVA reporting lacks accuracy and incidence is underestimated.•SIRVA sub-diagnoses, management, and long-term recovery are poorly understood.•A global consensus definition of SIRVA is needed.•Improved SIRVA awareness amongst vaccinators, and routine reporting are required.