Influenza-associated mortality in Thailand, 2006–2011

Details

• Alternative Title:
  Influenza Other Respir Viruses
• Personal Author:
  Aungkulanon, Suchunya ; Cheng, Po-Yung ; Kusreesakul, Khanitta ; Bundhamcharoen, Kanitta ; Chittaganpitch, Malinee ; Margaret, McCarron ; Olsen, Sonja
• Description:
  Background
  
  Influenza-associated mortality in subtropical or tropical regions, particularly in developing countries, remains poorly quantified and often underestimated. We analyzed data in Thailand, a middle-income tropical country with good vital statistics and influenza surveillance data.
  
  Methods
  
  We obtained weekly mortality data for all-cause and three underlying causes of death (circulatory and respiratory diseases, and pneumonia and influenza), and weekly influenza virus data, from 2006 to 2011. A negative binomial regression model was used to estimate deaths attributable to influenza in two age groups (<65 and ≥65 years) by incorporating influenza viral data as covariates in the model.
  
  Results
  
  From 2006 to 2011, the average annual influenza-associated mortality per 100 000 persons was 4·0 (95% CI: −18 to 26). Eighty-three percent of influenza-associated deaths occurred among persons aged > 65 years. The average annual rate of influenza-associated deaths was 0·7 (95% CI: −8·2 to 10) per 100 000 population for person aged <65 years and 42 (95% CI: −137 to 216) for person aged ≥ 65 years.
  
  Discussion
  
  In Thailand, estimated excess mortality associated with influenza was considerable even during non-pandemic years. These data provide support for Thailand's seasonal influenza vaccination campaign. Continued monitoring of mortality data is important to assess impact.
  
  
• Subjects:
  Influenza, Human/mortality
• Source:
  Influenza Other Respir Viruses. 2015; 9(6):298-304.
• Pubmed ID:
  26283569
• Pubmed Central ID:
  PMC4605410
• Document Type:
  Journal Article
• Place as Subject:
  Thailand
• Volume:
  9
• Issue:
  6
• Collection(s):
  CDC Public Access
• Main Document Checksum:
  urn:sha256:4f457c78a3a008176f0f850e0d724698c46302f46396ed32458282be277ca03e
• Download URL:
  https://stacks.cdc.gov/view/cdc/35506/cdc_35506_DS1.pdf
• File Type:
  [PDF - 313.49 KB ]