Volume 17, Number 11—November 2011
Letter
Fatal Infectious Diseases during Pandemic (H1N1) 2009 Outbreak
Dianna M. Blau
, Amy M. Denison, Julu Bhatnagar, Marlene DeLeon-Carnes, Clifton Drew, Christopher Paddock, Wun-Ju Shieh, Sherif R. Zaki, and Infectious Diseases Pathology Branch Working Group
, Amy M. Denison, Julu Bhatnagar, Marlene DeLeon-Carnes, Clifton Drew, Christopher Paddock, Wun-Ju Shieh, Sherif R. Zaki, and Infectious Diseases Pathology Branch Working GroupTable
Infectious agents identified in tissue samples from case-patients without pandemic (H1N1) 2009 virus infection, United States, 2009
| Agent | No. case-patients* |
|---|---|
| Bacterial | 44 |
| Staphylococcus aureus | 14 |
| Streptococcus pneumoniae | 14 |
| Streptococcus pyogenes | 4 |
| Streptococcus viridans group | 4 |
| Leptospira spp. | 2 |
| Clostridium perfringens | 1 |
| Capnocytophaga canimorsus | 1 |
| Haemophilus influenzae | 1 |
| Legionella spp. | 1 |
| Neisseria meningitidis | 1 |
| Pseudomonas spp. | 1 |
| Rickettsia rickettsii | 1 |
| Streptococcus agalactiae | 1 |
| Viral | 25 |
| Influenza A, unsubtypeable† | 10 |
| Influenza A, seasonal (H1/H3) | 6 |
| Respiratory syncytial virus | 3 |
| Dengue virus | 2 |
| Enterovirus | 2 |
| Adenovirus | 1 |
| Human herpes virus 1 | 1 |
| Fungal | 2 |
| Aspergillus spp. | 2 |
| Candida spp. | 2 |
*For some case-patients, multiple agents were detected.
†Subtype not determined by 2 assays, including 1 specific for pandemic (H1N1) 2009 (2).
1Infectious Diseases Pathology Branch Working Group members were Patty Adem, Jeanine Bartlett, Brigid Batten, Reema Dedania, Amy Green, Pat Greer, Tara Jones, Lindy Liu, Jeltley Montague, Mitesh Patel, Dominique Rollin, Chalanda Smith, and Libby White.
