Flu vaccine associated with reduced risk of acute myocardial infarctionBMJ 2013; 347 doi: https://doi.org/10.1136/bmj.f5226 (Published 22 August 2013) Cite this as: BMJ 2013;347:f5226
- Nigel Hawkes
Researchers in Australia have found an association between influenza vaccination and the incidence of acute myocardial infarction among hospital patients.
Flu often goes undetected in hospital patients, but the researchers used nose and throat swabs and blood tests to detect recent infection. Their study, published in Heart,1 found that 12% of patients (34/275) who were treated for acute myocardial infarction over three flu seasons (2008-10) at a Sydney hospital tested positive for previous flu infection, whereas the proportion in a group of control patients who had not had an acute myocardial infarction was just under 7% (19/284) (odds …