Los principales cambios en la presente guía contemplan una mejor distribución en la presentación de los procedimientos priorizando los que involucran a los niños menores de un año, se actualiza los valores de concentración de hemoglobina en cuanto a la severidad.

ABSTRACT Objective To estimate the bacteriological quality of drinking water in Huancavelica, Cajamarca and Huánuco during 2012-2013 Material and Methods A cross-sectional study was conducted. Sampling was probabilistic, stratified and multistage. The sample included 706 households. The Readycult ® kit was used to assess the presence of total coliforms and E. coli. 100 mL of water used for food preparation was collected. The determination of residual chlorine was performed by semiquantitative analysis using Chlorine Test Reagent ®. It was established as the ideal residual chlorine concentration ≥0,5 mg/L. The statistical analysis considered the necessary weight for complex samples. We calculed percentages and chi square. The informed consent of the head of household is requested. It was defined as good bacteriological quality of water: water sample with adequate free chlorine, in th...