Spatiotemporal-based clusters as a method for dengue surveillance.

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Identification of temporal clusters and risk factors of bacteremia by nosocomial vancomycin-resistant enterococci.

Background: This study aimed to evaluate a different methodology for addressing the evolution of nosocomial bacteremia by vancomycin-resistant enterococci (VRE) in a hospital setting.

Methods: In this retrospective cohort study, data were collected from the date of first registration up to December 2008 from the electronic medical records of patients with VRE bacteremia in a school hospital.

Results: Thirty cases of VRE bacteremia and 274 cases of vancomycin-susceptible enterococci (VSE) bacteremia were identified.

[Epidemiology of American tegumentary leishmaniasis in the State of Acre, Brazilian Amazon].

This was a descriptive statistical study of 8,516 cases of American tegumentary leishmaniasis in the State of Acre, Brazil, from 2001 to 2006 (second period), comparing the results to a previous publication with data from the same State for 1992 to 1997 (first period). Prevalence in the State more than doubled (55.7/10,000 inhabitants from 1992 to 1997 and 128.