Bovine tuberculosis is an endemic disease in Egypt, a notable gap exists between limited cases identified by single intradermal tuberculin test performed through the national control program and higher detected at abattoirs. Therefore, this study aimed to investigate epidemiological situation causes of previously mentioned Middle-Delta Region. A total 25 emergency-slaughtered animals unknown tu...

(14)C-labeled tuberculin purified protein derivative ((14)C-tuberculin PPD) has been prepared from culture filtrates of Mycobacterium tuberculosis var. hominis grown in a culture medium containing uniformly labeled (14)C-amino acids. With a mixture of (14)C-amino acids (an acid hydrolysate of (14)C-Chlorella protein) in the medium, the recoveries of (14)C in the final product were higher than w...

BACKGROUND Delayed type hypersensitivity (DTH) response to tuberculin is an important marker of T helper 1 (Th1) mediated acquired immunity against tuberculosis. Depressed DTH responses to tuberculin are observed in immobile elderly individuals with reduced activities of daily living (ADL) scores. Immobility in older people increases the risk of pneumonia related mortality. The decline in the c...