Question: can the flu shot give you a chest infection?
Answer: Interstitial pneumonia is a rare complication of the influenza vaccine and was first described in association with this vaccine in 1998 (6). Our search identified 9 cases (5 men and 4 women; mean age, 62.2 years; age range, 38-75 years) of influenza vaccine-induced interstitial pneumonia, including the present 2.