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Porte L, Valdivieso F, Wilmes D, Gaete P, Díaz MC, Thompson L, Munita JM, Alliende R, Varela C, Rickerts V, Weitzel T. Laboratory exposure to Coccidioides: lessons learnt in a non-endemic country. J Hosp Infect 2019; 102:461-464. [PMID: 30885815 DOI: 10.1016/j.jhin.2019.03.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 03/11/2019] [Indexed: 01/27/2023]
Abstract
Coccidioides is a primary pathogenic fungus, which infects humans through highly infectious arthroconidia, causing substantial morbidity including life-threatening disseminated infections. Due to the low infectious dose, laboratory personnel might become infected during diagnostic procedures. Accordingly, coccidioidomycosis is reported as the most frequent laboratory-acquired systemic mycosis worldwide. This risk is aggravated in non-endemic countries, where the diagnosis may not be suspected. We report on an inadvertent exposure of 44 persons to Coccidioides posadasii in a clinical microbiology laboratory in Chile, the measures of containment after rapid diagnosis with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry, and the lessons learnt in a non-endemic setting.
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Affiliation(s)
- L Porte
- Laboratorio Clínico, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile.
| | - F Valdivieso
- Programa Medicina del Viajero, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile; Laboratorio de Microbiología, Hospital Luis Calvo Mackenna, Santiago, Chile
| | - D Wilmes
- Mycology Section, FG 16, Robert-Koch Institute, Berlin, Germany
| | - P Gaete
- Comite IAAS, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago
| | - M C Díaz
- Programa de Microbiologia y Micologia, ICBM, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - L Thompson
- Servicio de Infectología, Departamento de Medicina Interna, Clínica Alemana, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile
| | - J M Munita
- Servicio de Infectología, Departamento de Medicina Interna, Clínica Alemana, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile; Genómica & Resistencia Microbiana, Instituto de Ciencias e Innovación en Medicina (ICIM), Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Chile; Millennium Initiative for Collaborative Research on Bacterial Resistance (MICROB-R)
| | - R Alliende
- Laboratorio Clínico, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile
| | - C Varela
- Laboratorio Clínico, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile
| | - V Rickerts
- Mycology Section, FG 16, Robert-Koch Institute, Berlin, Germany
| | - T Weitzel
- Laboratorio Clínico, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile; Programa Medicina del Viajero, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile
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