Genomic Analysis of ' Liberibacter africanus' Strain from Zimbabwe Reveals Unique Virulence and Prophage Characteristics Compared with ' L. asiaticus'.

Citrus Huanglongbing (HLB) is caused by the phloem-limited α-proteobacterium ' Liberibacter spp.', among which ' L. africanus' (CLaf) has posed a significant threat to citrus production in Africa for nearly a century.

Low mortality risk but high loss to follow-up among patients in the Tanzanian national HIV care and treatment programme.

Unlabelled: OBJECTIVE To analyse survival and retention rates of the Tanzanian care and treatment programme.

Methods: Routine patient-level data were available from 101 of 909 clinics. Kaplan-Meier probabilities of mortality and attrition after ART initiation were calculated.

Enhancing adherence to antiretroviral therapy at the HIV clinic in resource constrained countries; the Tanzanian experience.

Objective: To evaluate various strategies aimed at improving adherence to antiretroviral therapy (ART).

Methods: Patients initiated on ART at Muhimbili National Hospital HIV clinic were randomly assigned to either regular adherence counseling, regular counseling plus a calendar, or regular counseling and a treatment assistant. Patients were seen monthly; during these meetings self-reported adherence to treatment was recorded.

Isoniazid prophylaxis for tuberculosis prevention among HIV infected police officers in Dar es Salaam.

Objective: To determine the acceptability, compliance and side effects of isoniazid (INH) prophylaxis against tuberculosis among HIV infected police officers (PO) in Dar es Salaam.

Design: A nested study from a prospective follow up of a cohort of police officers.

Setting: Dar es Salaam, Tanzania.