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Sengkeopraseuth B, Co KC, Leuangvilay P, Mott JA, Khomgsamphanh B, Somoulay V, Tsuyuoka R, Chiew M, Ketmayoon P, Jones J, Pusch E, Jang Y, Barnes J, Davis CT, Phommachanh P, Khamphaphongphane B, Olsen SJ, Xangsayyarath P. First human infection of avian influenza A(H5N6) virus reported in Lao People's Democratic Republic, February-March 2021. Influenza Other Respir Viruses 2021; 16:181-185. [PMID: 34761535 PMCID: PMC8818831 DOI: 10.1111/irv.12934] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 10/24/2021] [Indexed: 12/03/2022] Open
Abstract
In March 2021, Lao People's Democratic Republic (Laos) reported an avian influenza A(H5N6) virus infection in a 5‐year‐old child identified through sentinel surveillance. This was the first human A(H5N6) infection reported outside of China. A multidisciplinary investigation undertook contact tracing and enhanced human and animal surveillance in surrounding villages and live bird markets. Seven Muscovy ducks tested positive for highly pathogenic avian influenza A(H5N6) viruses. Sequenced viruses belonged to clade 2.3.4.4h and were closely related to viruses detected in poultry in Vietnam and to previous viruses detected in Laos. Surveillance and coordinated outbreak response remain essential to global health security.
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Affiliation(s)
- Bounthanom Sengkeopraseuth
- National Center for Laboratory and Epidemiology, Department of Communicable Disease Control, Ministry of Health, Vientiane, Lao PDR
| | | | | | - Joshua A Mott
- U. S. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | | | - Virasack Somoulay
- National Center for Laboratory and Epidemiology, Department of Communicable Disease Control, Ministry of Health, Vientiane, Lao PDR
| | | | - May Chiew
- World Health Organization, Vientiane, Lao PDR
| | | | - Joyce Jones
- U. S. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Elizabeth Pusch
- U. S. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Yunho Jang
- U. S. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - John Barnes
- U. S. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | | | - Phouvong Phommachanh
- National Animal Health Laboratory, Department of Livestock and Fisheries, Ministry of Agriculture and Forestry, Vientiane, Lao PDR
| | - Bouaphanh Khamphaphongphane
- National Center for Laboratory and Epidemiology, Department of Communicable Disease Control, Ministry of Health, Vientiane, Lao PDR
| | - Sonja J Olsen
- U. S. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Phonepadith Xangsayyarath
- National Center for Laboratory and Epidemiology, Department of Communicable Disease Control, Ministry of Health, Vientiane, Lao PDR
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