[Mutant alleles associated to chloroquine and sulfadoxine-pyrimethanime resistance in Plasmodium falciparum of the Ecuador-Peru and Ecuador-Colombia borders].

The frequency of mutations in pfCRT and DHFR/DHPS genes of Plasmodium falciparum associated with resistance to chloroquine and sulfadoxine-pyrimethamine was evaluated in 83 strains from the districts of Esmeralda and Machala, located on the borders of Ecuador-Peru and Ecuador-Colombia in 2002. Polymerase chain reaction (PCR), conventional and its variants, was used. Mutations in the pfCRT gene were found in more than 90% of the samples from Esmeralda and Machala.

[Etiology of community acquired pneumonia in children 2-59 months old in two ecologically different communities from Peru].

Introduction: Community acquired pneumonia (CAP) is a major public health problem, being the most affected the pediatric population. The aim of this study was to compare the etiology, clinical and radiological features of CAP in under- five-year-old children.

Methods: Children have been attended at the Practice or Emergency Room from Puno and Lima health facilities.