1. Shoulder injury related to vaccine administration and other injection site events;Bancsi A;Can Fam Physician,2019
2. Subdeltoid/subacromial bursitis associated with influenza vaccination;Cook IF;Human Vaccin Immunother,2103
3. Vaccine Adverse Event Reporting System. (2017). Accessed. July 6, 2020: https://wonder.cdc.gov/wonder/help/vaers.html.
4. Summary of the 2017-2018 Influenza Season. Centers for Disease Control and Prevention. (2019). Accessed. July 24, 2020: https://tools.cdc.gov/medialibrary/index.aspx#/media/id/309789.
5. ACIP Vaccine Administration Guidelines for Immunization. (2001). Accessed. July 6, 2020: https://www.cdc.gov/vaccines/hcp/acip-recs/general-recs/administration.html.