1.2 Rationale for the guideline update

In 2013, WHO published the Guideline: nutritional care and support for patients with tuberculosis (11). That document included recommendations on nutritional assessment and counselling, management of moderate and severe acute malnutrition, and micronutrient supplementation for people with TB disease. It also contained guidance on nutritional assessment and support for household contacts of people with TB. Since 2013, there has been new evidence on the relationship between TB and undernutrition, on nutritional interventions and micronutrient supplementation for people with TB, and on food assistance to prevent TB among household contacts of people with TB. In 2024, WHO convened a guideline development group (GDG) to examine the evidence, to update WHO’s guidelines on TB and undernutrition.

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