USCIS Doctors Infectious Disease Screening 1

Question 1

Which tuberculosis test is considered an acceptable alternative to the tuberculin skin test (TST) in immigration medical exams?

Accepted Answer

Interferon-Gamma Release Assay (IGRA)

Answer

IGRA (such as QuantiFERON-TB Gold or T-SPOT.TB) is an acceptable blood-based alternative to the TST for detecting latent TB infection.

Question 2

For which population is a chest X-ray required as part of the tuberculosis evaluation during immigration exams?

Accepted Answer

Applicants aged 15 and older with a positive TST or IGRA

Answer

A chest X-ray is required for applicants aged 15 and older who have a positive TST or IGRA result to evaluate for pulmonary tuberculosis disease.

Question 3

What is the required syphilis test used in immigration medical exams?

Accepted Answer

A nontreponemal test (RPR or VDRL) followed by a treponemal confirmatory test if reactive

Answer

Syphilis screening uses a nontreponemal test (RPR or VDRL), and any reactive result must be confirmed with a treponemal test.

Question 4

At what age does gonorrhea testing become required during immigration medical exams?

Accepted Answer

15 years and older

Answer

Gonorrhea testing is required for all applicants aged 15 and older as part of the mandatory communicable disease screening.

Question 5

A tuberculin skin test (TST) reading of how many millimeters of induration is considered positive for an immunocompromised applicant?

Accepted Answer

5 mm or more

Answer

For immunocompromised individuals, including those with HIV, a TST induration of 5 mm or more is classified as a positive result.

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