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Mortality from Pandemic Influenza A (H1N1) in Iran
M M Gouya1, M Nabavi, M Soroush
1Center for Disease Control, Ministry of Health and Medical Education, Tehran, Iran.
Iranian Red Crescent Medical Journal
|June 28, 2012
Summary
Pandemic influenza A (H1N1) caused 140 deaths in Iran by December 2009, affecting all age groups. Recommendations include vaccination for high-risk individuals and respiratory hygiene for all to mitigate H1N1 mortality.
Area of Science:
- Epidemiology
- Infectious Diseases
- Public Health
Background:
- The 2009 H1N1 influenza pandemic, declared by the WHO, necessitated understanding its impact.
- This study focuses on the mortality and characteristics of pandemic influenza A (H1N1) in Iran.
Purpose of the Study:
- To report the mortality rates of pandemic influenza A (H1N1) in Iran.
- To describe the epidemiologic and clinical characteristics of H1N1-related deaths in the Iranian population.
Main Methods:
- Data collected through a nationwide surveillance system implemented by the Ministry of Health and Medical Education (MOHME).
- Involved reporting from all Iranian provinces to the center for disease control.
Main Results:
- Between May and December 2009, 140 deaths (3.8%) occurred among 3672 confirmed H1N1 cases in Iran.
- Mortality was observed across all age groups, with the highest rate in those over 65. A significant portion of deceased patients (54%) had no pre-existing conditions.
- Common clinical presentations included acute respiratory distress syndrome and viral pneumonia. Oseltamivir was administered to 66% of deceased patients, but treatment timing data was limited.
Conclusions:
- Influenza A (H1N1) mortality affects individuals of all ages, including those without predisposing factors.
- Recommendations include targeted influenza vaccination for individuals with underlying conditions and promoting respiratory hygiene for the general population.
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