Pneumonias in elderly are frequent and severe. They require an accurate assessment following clinical, biological and radiological steps. Each of them can contribute to give answers to the following questions: does this patient need emergency hospitalisation? Is the infection really bacterial and pulmonary? Should antibiotics be started? Which others treatments should be associated for the infection itself and for comorbid conditions? Concerning prevention, every effort must be done to decrease the incidence of these infections, especially vaccination. Pulmonary infections in nursing home need specific attention: cumulation of bad prognosis factors, risk of epidemic propagation, and vaccination of all people caring patients when required.
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