Shortages of a critical generic antiretroviral (ARV) drug used in Zambia's treatment programme have revealed a lack of adequate planning by the government that could derail the ARV rollout, activists told IRIN last Thursday. Zambian health minister Dr Brian Chituwo announced in parliament this week that supplies of Triomune-30, a fixed-dose combination of Nevirapine, Lamivudine and Stavudine, had run out.