Annals of Internal Medicine
18 August 2020 Volume 173, Issue 4
Vaccination-Induced Bursitis: Technique Matters
Sandra Adamson Fryhofer, MD and George W. Fryhofer, MD, MTR
In this issue, a Centers for Disease Control and Prevention–funded Vaccine Safety Datalink study of 2943493 vaccinated persons reported an additional 7.78 cases of subdeltoid bursitis per 1 million influenza vaccinations. The editorialists discuss the findings and describe vaccination techniques to prevent vaccine-associated bursitis.