The comparative intradermal tuberculin test was conducted in all cattle using both avian and bovine purified protein derivatives
Acid-fast bacilli can be identified on skin biopsies or smears, and the purified protein derivative
test will be positive.
The provision of tuberculin purified protein derivative
(PPD), to be used as part of the national childhood immunisation programme, and deliveries will be required over a period of 2 years, with an option to extend up to an additional 24 months.
Before beginning infliximab therapy, the patient was again given chemoprophylaxis with isoniazid, 300 mg/day, because a tuberculin test with 5 units of purified protein derivative
showed an induration of 18 mm at 72 hours.
tuberculosis, on the other hand, usually are older than 5 years of age, are foreign born, have an abnormal chest x-ray, have a purified protein derivative
test with greater than 15 mm induration, and have bilateral involvement of posterior nodes.
Her medical history also included a positive skin test for purified protein derivative
, for which she had been treated with a 6-month course of isoniazid.
A positive purified protein derivative
skin test supports the diagnosis, but a negative test does not rule it out.
Carter's assertion that the tuberculin test using purified protein derivative
should be administered subcutaneously was indeed surprising (Tuberculin Interpretation," Letters, December 2002, p.
Various authors have also recommended measuring angiotensin-converting enzyme, (6) fluorescent treponemal antibody-absorbed, (7,8) purified protein derivative
, (8) and creatinine (17) levels.
The Authority is looking for a supplier to provide a supply of Bovine and Avian tuberculins purified protein derivative
(tuberculin PPD bovine and avian) for use in its bovine tuberculosis control programme.
The test measures interferon-[gamma] released from lymphocytes that have been incubated with purified protein derivative