Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
CASE REPORTS
Interstitial Pneumonia Associated with the Influenza Vaccine: A Report of Two Cases
Makoto HibinoTetsuri Kondo
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JOURNALS OPEN ACCESS

2017 Volume 56 Issue 2 Pages 197-201

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Abstract

Although the influenza vaccine is relatively safe and effective, serious complications can develop in rare cases. We encountered two cases of interstitial pneumonia that developed after vaccination during the 2014-2015 influenza season. Overall, nine cases, including the two presented here, have been recorded in PubMed and the Cochrane library; eight patients were treated with corticosteroids, and all nine survived, suggesting a good prognosis. Interstitial pneumonia is rare; however, we found an increase in its incidence after 2009. Therefore, clinicians must be aware of the possibility of this complication and duly educate all patients in advance.

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© 2017 by The Japanese Society of Internal Medicine
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