Incidence and types of HIV-1 drug resistance mutation among patients failing first-line antiretroviral therapy
Objective: This study aims to investigate the prevalence and types of drug resistance mutations among patients failing first-line antiretroviral therapy (ART).Methods: Plasma samples from 112 patients with human immunodeficiency virus-1 (HIV-1) were collected for virus RNA extract and gene amplification.The mutations related to drug resistance were