TB control in Singapore: where do we go from here?

Area of Science:

• Public Health
• Epidemiology
• Infectious Disease Control

Background:

• Tuberculosis (TB) incidence in Singapore showed a significant increase between 2004 and 2010.
• The proportion of TB cases attributed to foreigners rose substantially during this period.
• A concerning rise in TB incidence among citizens and permanent residents was observed in 2008.

Purpose of the Study:

• To analyze the trends in new tuberculosis notifications in Singapore.
• To identify the contribution of different population groups (citizens, permanent residents, foreigners) to the TB burden.
• To highlight the need for enhanced strategies to control tuberculosis, particularly among foreign nationals.

Main Methods:

• Analysis of national tuberculosis notification data from 2004 to 2010.
• Calculation of TB incidence rates across demographic groups.
• Assessment of the changing proportion of TB cases among foreigners.

Main Results:

• Total new TB cases notified in Singapore increased by 46% from 2004 to 2010.
• The proportion of TB cases among foreigners increased from 29% to 47% during the study period.
• TB incidence among Singapore citizens and permanent residents rose in 2008, reversing a decade-long decline.

Conclusions:

• The rising trend of tuberculosis in Singapore necessitates additional measures and resources.
• Addressing TB among foreigners is critical for effective control.
• Political commitment is essential to remove diagnostic barriers, ensure universal access to directly observed therapy (DOT), and promote accountability among healthcare providers managing TB patients.