One hundred and fifteen scar positive, BCG vaccinated children between the ages of 2-12 years were tuberculin tested. Monotest purified tuberculin test kit from Institute Merieux France was used. This is a nine point punch and results were read in 2-4 days. One hundred and one reported for reading and 52 were tuberculin positive. 50% positivity is rather low following vaccination. The reasons c...

BACKGROUND Healthcare workers in high tuberculosis burdened countries are occupationally exposed to the tuberculosis disease with uncomplicated and complicated tuberculosis on the increase among them. Most of them acquire Mycobacterium tuberculosis but do not progress to the active disease - latent tuberculosis infection. The objective of this study was to assess the prevalence and risk factors...

The Tuberculosis Survey Sub-Committee of the Indian Research Fund Association recommends in their report (1940) the selection of communities or areas for a study of ' infection, resistance, morbidity or mortality' (type II survey) on the results of a preliminary extensive type I survey intended primarily to ascertain the distribution of tuberculosis infection by the tuberculin test. When either...

solution available in clinical settings, especially when current Centers for Disease Control and Prevention guidelines state that only solutions of PPD containing 5 TU/0.1 mL should be used.1 We have discontinued the 250 TU formulation in our institution. We urge caution in the interpretation of tuberculin tests and suggest careful examination of the strength of the solution before administration.

Giant reactions to the tuberculin skin test are extremely rare and have been previously reported almost exclusively in patients with lepromatous leprosy. We herein report a giant tuberculin reaction associated with the homeopathic drug Tuberculinum in a patient with no evidence of active tuberculosis or leprosy.

BACKGROUND Awareness of bovine tuberculosis (BTB) by cattle owners is of extreme importance to policy makers when considering mitigation. However, to our knowledge, little is known on cattle owners' awareness of BTB in Zambia. Similarly, such knowledge is uncommon within and outside Africa. The current study investigates the epidemiological characteristics of BTB in Zambian cattle in relation t...