... alwaysbee n favo urable. In the study by Zachariah et al. of task shifting in HIV/AIDS in sub-Saharan Africa, they notequality and safety concerns, professional and institu-tional resistance, and the ... HIV/AIDS t reatment and care provided by lay and community health workers in Africa, maternal and child health care as well as themanagement of infectious diseases by lay health work-ers, and ... can present its own challenges. For example, a study analyzing task shifting in HIV/AIDS in sub-Saharan Africa noted qualit y and safety concerns, professional and institutional resistance, and...