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Is new immigrant screening for tuberculosis still worthwhile?

¹Chest Clinic, Blackburn Royal Infirmary, Lancs, UK.

The Journal of Infection

|November 20, 1998

Summary

The Port of Arrival (POA) system for new immigrant screening remained ineffective in the 1990s. However, preventive tuberculosis measures like chemoprophylaxis and BCG vaccination were suitable for over a third of immigrants.

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Area of Science:

Public Health
Epidemiology
Infectious Disease Control

Background:

Previous 1980s screening revealed deficiencies in the official Port of Arrival (POA) system for new immigrants.
Significant tuberculosis cases were identified, necessitating preventive measures like chemoprophylaxis and BCG vaccination for a notable minority.

Purpose of the Study:

To compare new immigrant screening data from the 1990s with 1980s data.
To evaluate the effectiveness of the Port of Arrival (POA) system and the need for preventive health measures in new immigrants.

Main Methods:

Prospective data analysis of new immigrant screening from 1990-1994 in specific UK local government areas.
Comparison of 1990s data with historical data from 1983-1988.

Main Results:

Out of 2242 new immigrants, 40% were identified through the POA system, while 60% were identified via local Family Health Services Authority (FHSA) links.
Ten cases (0.45%) of active tuberculosis were detected.
Chemoprophylaxis was administered to 4.1% of children (0-15 years), and BCG vaccination was given to 31% of individuals under 30 years.

Conclusions:

The official Port of Arrival (POA) system demonstrated continued poor performance in the 1990-1994 period.
The detection rate of new tuberculosis cases was lower than in the 1980s.
Preventive measures, including chemoprophylaxis (4%) and BCG vaccination (31%), were deemed appropriate for over one-third of new immigrants under 30.

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