Epidemiological characterization of pityriasis versicolor and distribution of species among students in Hai Phong city, Vietnam.

Background And Purpose: Pityriasis versicolor (PV) is a common fungal skin infection caused by species. Previous studies have shown that the prevalence of PV is influenced by geographic factors. The aim of the current study was to find the epidemiological characteristics of PV and distribution of species in the secondary school students living in Hai Phong city, Vietnam.

A longitudinal and case-control study of dropout among drug users in methadone maintenance treatment in Haiphong, Vietnam.

Background: Vietnam began providing methadone maintenance therapy (MMT) in 2008; as of June 2016, 44,479 persons who inject drugs (PWID) were in treatment in 57 provinces. However, 10-23% of patients were estimated to have dropped out of treatment during the first 2 years. We evaluated dropout and factors associated with quitting treatment.