Brazil
- Epidemiology and SurveillanceMonitoring the Efficacy of Chloroquine-Primaquine Therapy for Uncomplicated Plasmodium vivax Malaria in the Main Transmission Hot Spot of Brazil
Emerging Plasmodium vivax resistance to chloroquine (CQ) may undermine malaria elimination efforts in South America. CQ-resistant P. vivax has been found in the major port city of Manaus but not in the main malaria hot spots across the Amazon Basin of Brazil, where CQ is routinely coadministered...
- Epidemiology and SurveillanceAbsence of K13 Polymorphism in Plasmodium falciparum from Brazilian Areas Where the Parasite Is Endemic
Plasmodium falciparum artemisinin-resistant parasites can be evaluated by examining polymorphisms in the kelch (PfK13) domain. A total of 69 samples from patients with falciparum malaria were analyzed.
- Epidemiology and SurveillanceChicken Meat as a Reservoir of Colistin-Resistant Escherichia coli Strains Carrying mcr-1 Genes in South America