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A study done in Denmark suggests that people with heart failure who are injected with an influenza vaccine are less likely to die prematurely than those who have not done so.
"More than 134,000 patients with heart failure between 2003 and 2015, half of them staying at least at 3.7 years of studies," according to Reuters.
In general, at least one injection against influenza was associated with an 18% reduction in the risk of sudden death from all causes, particularly as a result of cardiovascular problems.
"We also found that the frequency of annual vaccinations and early vaccinations of the season was associated with an increased risk of death," said Daniel Moden, head of the study, Gentvete University Hospital and the University of Ottawa. University of Copenhagen.
"We already know that influenza vaccination benefits people in general, but our study confirms the importance of influenza vaccination in heart failure patients and also notes that annual and ongoing vaccination is important for this group of patients."
An infection such as the flu increases the energy demand of the body and forces the heart to pump more blood. Failing hearts may not be able to perform this task, which increases the risk of serious complications such as pneumonia.
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