GSTM1 and malaria: Illness episodes requiring readmission/outpatient care, clinical syndromes associated with death/illness, culture/malaria testing, adverse effects, anthropometry, Hb; small increase in diarrhea, reduced skin/soft tissue infections, positive urine cultures and confirmed malaria (IRR: 0.60; 95% CI: 0.35, 0.99; P < 0.05) in intervention group