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A prospective study of phage types & biotypes of Salmonella enterica serotype Typhi isolated from hospitalized children in Kolkata, India.
Artículo en Inglés | IMSEAR | ID: sea-16996
ABSTRACT
BACKGROUND &

OBJECTIVES:

Kolkata and its suburbs in eastern India faced an epidemic of typhoid fever in 1990. A prospective, hospital and laboratory based study over a period of 12 yr (1990-2001), on the phage typing and biotyping pattern of Salmonella enterica serotype Typhi was carried out, to see if there has been a change.

METHODS:

A total of 338 S. enterica serotype Typhi isolates from 1491 blood samples were phage typed and biotyped. The mean age of isolation was calculated.

RESULTS:

The age distribution of subjects (neonates to 12 yr) has been analysed. Of the 338 (22.7%) isolates obtained, eight different S. enterica serotype Typhi phage types were detected. Biotype I (95.8%) was more prevalent as compared to biotype II (4.1%). Phage type E1 was the commonest phage type in Kolkata and its suburbs. INTERPRETATION &

CONCLUSION:

The mean age at isolation was found to be 6.7 +/- 3.3 yr. Biotype I was predominant and it was of interest that all strains of phage type E1 belonged to biotype I.
Asunto(s)
Texto completo: Disponible Índice: IMSEAR (Asia Sudoriental) Asunto principal: Salmonella typhi / Bacteriófagos / Fiebre Tifoidea / Humanos / Tipificación de Bacteriófagos / Niño / Niño Hospitalizado / Preescolar / Estudios Prospectivos / India Tipo de estudio: Estudio observacional País/Región como asunto: Asia Idioma: Inglés Año: 2003 Tipo del documento: Artículo

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Texto completo: Disponible Índice: IMSEAR (Asia Sudoriental) Asunto principal: Salmonella typhi / Bacteriófagos / Fiebre Tifoidea / Humanos / Tipificación de Bacteriófagos / Niño / Niño Hospitalizado / Preescolar / Estudios Prospectivos / India Tipo de estudio: Estudio observacional País/Región como asunto: Asia Idioma: Inglés Año: 2003 Tipo del documento: Artículo