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Tuberculosis case notification data in Viet Nam, 2007 to 2012.

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Tuberculosis (TB) incidence in Vietnam may be declining, with fewer new smear-positive cases reported between 2007-2012. However, case detection needs improvement among young males and children.

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Area of Science:

  • Public Health
  • Epidemiology
  • Infectious Disease Control

Background:

  • Tuberculosis (TB) is a significant global health issue, with Vietnam identified as a high-burden country.
  • Understanding TB trends and contributing factors is crucial for effective control strategies.

Purpose of the Study:

  • To analyze trends in Tuberculosis (TB) case notification rates in Vietnam from 2007 to 2012.
  • To investigate changes in the male-to-female ratio and cure rates for new smear-positive TB cases.
  • To identify potential factors influencing TB notification rates and inform public health interventions.

Main Methods:

  • Analysis of surveillance data from Vietnam's National Tuberculosis Control Programme (2007-2012).
  • Calculation of case notification rates for new smear-positive TB cases per 100,000 population.
  • Examination of male-to-female ratios and average annual cure rates.

Main Results:

  • A decrease in the case notification rate of new smear-positive TB cases from 65 to 57 per 100,000 population was observed.
  • The male-to-female ratio for new smear-positive TB cases increased from 2.85 to 3.02.
  • An average annual cure rate of 90.3% for new smear-positive TB cases was achieved.

Conclusions:

  • The declining notification rates may indicate a reduction in TB incidence in Vietnam, possibly due to programmatic improvements.
  • A persistently high male-to-female ratio suggests potential under-detection of TB cases in males.
  • Further research is needed to enhance TB case detection, particularly among young males and children.