title: Lack of association of A/NJ/76 (swine flu) vaccine and polymyositis.
abstract: There is no indication of an increase in the number of cases of polymyositis/dermatomyositis observed and reported among the 43.3 million civilians who received the A/NJ/76 (swine flu) vaccine from October 1 to December 16, 1976, in the United States. Among nearly 1 million Army and Navy personnel who received the vaccine, there was no increase in the incidence rate of polymyositis/dermatomyositis. Furthermore, there was no indication of an increase in the number of cases of polymyositis/dermatomyositis diagnosed at the Mayo Clinic, the Cleveland Clinic, the Cleveland Metropolitan Hospital or the Massachusetts General Hospital during or following the national immunization program in 1976.
mesh_terms: D003882:Dermatomyositis / Q000453:epidemiology / Q000209:etiology; D006801:Humans; D009980:Influenza A virus; D007252:Influenza Vaccines / Q000009:adverse effects*; D008499:Medical Records; D008889:Military Personnel; D008910:Minnesota; D009220:Myositis / Q000453:epidemiology / Q000209:etiology*; D012306:Risk; D014481:United States
chemical_list: D007252:Influenza Vaccines