Incidence and characteristics of nosocomial influenza in a country with low vaccine coverage

Influenza vaccination coverage is low in France, in at-risk patients and in healthcare workers. We aimed to estimate the incidence of nosocomial influenza, its characteristics and outcome. During one influenza season, we retrospectively evaluated all cases of documented influenza. Inpatients with sy...

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Bibliographic Details
Published in:The Journal of hospital infection 2020-08, Vol.105 (4), p.619-624
Main Authors: Luque-Paz, D., Pronier, C., Bayeh, B., Jouneau, S., Grolhier, C., Le Bot, A., Bénézit, F., Thibault, V., Tattevin, P.
Format: Article
Language:English
Subjects:
Elderly
Incidence
Influenza B virus
Life Sciences
Nosocomial influenza
Outcome
Vaccine
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Summary:Influenza vaccination coverage is low in France, in at-risk patients and in healthcare workers. We aimed to estimate the incidence of nosocomial influenza, its characteristics and outcome. During one influenza season, we retrospectively evaluated all cases of documented influenza. Inpatients with symptoms onset ≥48 h after admission were enrolled. Data were collected on a standardized questionnaire. From November 2017 to April 2018, 860 patients tested positive for influenza by polymerase chain reaction analysis on a respiratory sample. Among them, 204 (23.7%) were diagnosed ≥48 h after admission, of whom 57 (6.6% of all influenza cases) fulfilled inclusion criteria for nosocomial influenza: 26 women and 31 men, median age 82 years (interquartile range, 72.2–86.9). Twenty patients (38.6%) had recently (
ISSN:0195-6701
1532-2939
DOI:10.1016/j.jhin.2020.06.005