Responding to avian influenza A H5N1 detection on a hospital property in Maine-An interdisciplinary approach.
Canada geese
hospital
infection prevention
influenza A H5N1
public health
Journal
Zoonoses and public health
ISSN: 1863-2378
Titre abrégé: Zoonoses Public Health
Pays: Germany
ID NLM: 101300786
Informations de publication
Date de publication:
27 Nov 2023
27 Nov 2023
Historique:
revised:
25
10
2023
received:
31
07
2023
accepted:
10
11
2023
medline:
27
11
2023
pubmed:
27
11
2023
entrez:
27
11
2023
Statut:
aheadofprint
Résumé
The risk of infection with avian influenza A viruses currently circulating in wild and domestic birds in the Americas is considered low for the general public; however, detections in humans have been reported and warning signs of increased zoonotic potential have been identified. In December 2022, two Canada geese residing on the grounds of an urban hospital in Maine tested positive for influenza A H5N1 clade 2.3.4.4b. Given the opportunity for exposure to staff and hospital visitors through potentially infected faeces on the property, public health authorities determined mitigation efforts were needed to prevent the spread of disease. The ensuing response relied on collaboration between the public health and animal health agencies to guide the hospital through efforts in preventing possible zoonotic transmission to humans. Mitigation efforts included staff communication and education, environmental cleaning and disinfection, enhanced illness surveillance among staff and patients, and exposure and source reduction. No human H5N1 cases were identified, and no additional detections in birds on the property occurred. Hospital staff identified barriers to preparedness resulting from a lack of understanding of avian influenza A viruses and transmission prevention methods, including avian influenza risk in resident wild bird populations and proper wildlife management methods. As this virus continues to circulate at the animal-human interface, this event and resulting response highlights the need for influenza A H5N1 risk awareness and guidance for facilities and groups not traditionally involved in avian influenza responses.
Sections du résumé
BACKGROUND
BACKGROUND
The risk of infection with avian influenza A viruses currently circulating in wild and domestic birds in the Americas is considered low for the general public; however, detections in humans have been reported and warning signs of increased zoonotic potential have been identified. In December 2022, two Canada geese residing on the grounds of an urban hospital in Maine tested positive for influenza A H5N1 clade 2.3.4.4b.
AIMS
OBJECTIVE
Given the opportunity for exposure to staff and hospital visitors through potentially infected faeces on the property, public health authorities determined mitigation efforts were needed to prevent the spread of disease. The ensuing response relied on collaboration between the public health and animal health agencies to guide the hospital through efforts in preventing possible zoonotic transmission to humans.
MATERIALS AND METHODS
METHODS
Mitigation efforts included staff communication and education, environmental cleaning and disinfection, enhanced illness surveillance among staff and patients, and exposure and source reduction.
RESULTS
RESULTS
No human H5N1 cases were identified, and no additional detections in birds on the property occurred. Hospital staff identified barriers to preparedness resulting from a lack of understanding of avian influenza A viruses and transmission prevention methods, including avian influenza risk in resident wild bird populations and proper wildlife management methods.
CONCLUSION
CONCLUSIONS
As this virus continues to circulate at the animal-human interface, this event and resulting response highlights the need for influenza A H5N1 risk awareness and guidance for facilities and groups not traditionally involved in avian influenza responses.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : Centers for Disease Control and Prevention (CDC) of the U.S. Department of Health and Human Services (HHS)
Organisme : Epidemiology and Laboratory Capacity for Infectious Diseases Grant
Organisme : the Public Health Emergency Preparedness Grant
Informations de copyright
© 2023 The Authors. Zoonoses and Public Health published by Wiley-VCH GmbH.
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