BCG

Illustration(s) pertain to the topic addressed in this publication, not the specific research or data presented in the publication

Clinical and immune impact of Mycobacterium bovis BCG vaccination scarring

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Abstract

The World Health Organization recommends Mycobacterium bovis BCG vaccination in areas of high tuberculosis prevalence. BCG’s clinical and immune effects, not necessarily Mycobacterium tuberculosis specific, are unclear. BCG vaccine scarring often is used as a surrogate marker of vaccination or of effective vaccination.… Read more

Illustration(s) pertain to the topic addressed in this publication, not the specific research or data presented in the publication

Vitamin A levels and immunity in humans

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Abstract

In animal studies, vitamin A deficiency induces a shift from type 2 (humoral, Th2) to type 1 (cellular, Th1) cytokines; there are no similar data for humans. Control of human immunodeficiency virus (HIV) and Mycobacterium tuberculosis infections requires type 1 cytokine (cellular) immunity.… Read more