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[Salmonella enteritidis, an emergent pathogen in Chile]
1Subdepartamento de Microbiología Clínica, Ministerio de Salud, Santiago de Chile.
Summary
An epidemic of Salmonella enteritidis emerged in Chile in 1994, rapidly increasing case numbers. The outbreak progressed geographically from North to South, primarily affecting children and young adults.
Area of Science:
- Epidemiology
- Infectious Diseases
- Microbiology
Context:
- Salmonella enteritidis infections have seen a global increase.
- Chile experienced a significant Salmonella enteritidis outbreak starting in 1994.
- Previous isolation of this pathogen in Chile was rare.
Purpose:
- To characterize the epidemiological features of the Salmonella enteritidis epidemic in Chile.
- To analyze infection rates and geographic distribution.
- To identify affected demographics.
Summary:
- The study recorded Salmonella enteritidis infections from bacteriological and demographic data.
- Infection rates surged from 13.67 strains/year pre-1994 to 478 in 1994 and 432 in 1995.
- The outbreak predominantly impacted northern regions, progressing southward, and affected children and young adults.
- Gastrointestinal infections were the main clinical presentation, with strains showing high susceptibility to common antibiotics.
Impact:
- Highlights the emergence and rapid spread of Salmonella enteritidis in Chile.
- Provides crucial data for public health interventions and surveillance.
- Informs understanding of pathogen behavior and antibiotic resistance patterns.