HIV(1) Ataxia(1) Gastrointestinal(1) Haematological(1) efavirenz(1) cardiovascular(1) Musculoskeletal(1) malaria(1) post-malaria neurologic syndrome(1) neurological(1) neurotoxicity(1) Adolescent(1) Enteric fever(1) Malawi(1) Anemia(1) typhoid fever(1)