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Volume 45, Number 5, October 2012

Pneumonia due to pandemic (H1N1) 2009 influenza virus andKlebsiella pneumoniae capsular serotype K16 in a patient with nasopharyngeal cancer

Chih-Cheng Lai, Pei-Lin Lee, Che-Kim Tan, Yu-Tsung Huang, Chiang-Lian Kao, Jin-Town Wang, Po-Ren Hsueh

Received: December 22, 2010    Revised: January 21, 2011    Accepted: February 20, 2011   


Background and purpose: 


Streptococcus pneumoniae, Haemophilus influenzae, Staphylococcus aureus and group A Streptoccocus, but no Klebsiella pneumoniae were responsible for bacterial coinfections during the 2009 and previous influenza pandemics. We hereby report a case with concurrent bacteremic pneumonia due to an unusual capsular serotype K16 K. pneumoniae and pandemic (H1N1) 2009 influenza in a patient with nasopharyngeal cancer. Such a coinfection has not previously been described.



Key words:

Capsular serotype K16Concurrent infectionKlebsiella pneumoniaePandemic (H1N1) 2009