Can better nutrition and cheap worm treatment stop TB?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: Household Contacts * Household contact that has been housemate of eligible index case for at least the last month (See index case criteria below). * HIV seronegative * Willing to be tested for pregnancy if married * Age 18-60 years * Willingness by the patient to attend scheduled follow-up visits and undergo study assessments * Able to provide informed consent * Intervention inclusion: On average, one meal consumed at home per day. Exclusion Criteria: Household Contacts * In the team's judgement, individual is not expected to survive for 12 months * HIV infection or not willing to undergo HIV testing (if no documented HIV test) * Pregnant at enrollment * Known diabetes mellitus or evidence of diabetes on hemoglobin A1C (HA1C) * Xpert positive among those able to produce sputum * TB symptoms (night sweats, weight loss, cough) - Only if sputum positive * Any history of TB disease during their lifetime * We will retrospectively exclude household contacts of presumed TB cases whose cultures do not confirm Mtb or who are Xpert negative. * Evidence of kwashiorkor (pitting edema of foot or lower leg) those with BMI \<16 * Abnormal K, Mg, Phos in those with BMI \<16 Inclusion Criteria: Index Case * Sputum Ziehl-Neelsen stain positive for acid-fast bacillus (AFB) ≥1+ * Culture or Xpert positive for Mtb; those who are smear+ but ultimately Xpert or culture negative, will be included until their culture results return at which time they will retrospectively be removed from the study. * No history of TB treatment (i.e., no history of partial or complete treatment for a previous TB episode) * Has at least 1 household contact with whom they have shared a house during the previous one month * Agrees to have household contact notified about study Exclusion Criteria: Index Case * Pregnant at enrollment * No Xpert or culture confirmation and unable to provide sputum sample * No household contacts who share room * Known Multidrug-resistant tuberculosis (MDR-TB) or extensively drug-resistant tuberculosis (XDR-TB) case * BMI \<14 kg/m2 * Abnormal K, Mg, Phos in those with BMI 14 - 16 * Lower extremity edema/kwashiorkor those with BMI 14-16 * Reported neuropathy in lower extremities (may result from thiamine deficiency)