期刊
PATHOGENS
卷 11, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/pathogens11050527
关键词
environmental surveillance; enterovirus; wastewater; poliovirus
类别
资金
- Brazilian National Council for Scientific and Technological Development
- Academy of Sciences for the Developing World (CNPq/TWAS) [190897/2015-5]
- FIOCRUZ - Brazil
- INS-Mozambique
Prior to the outbreak of vaccine-derived poliovirus in Africa, Mozambique implemented an environmental surveillance program and found a high circulation of non-polio enteroviruses, with no detection of wild or vaccine-derived poliovirus. Environmental surveillance can effectively aid the public health system in monitoring non-polio enteroviruses in addition to poliovirus.
Due to the possibility of wild poliovirus importation from endemic regions and the high circulation of vaccine-derived poliovirus type 2 in the African region, Mozambique implemented a surveillance program to monitor the circulation of enteroviruses in the environment. From January to November 2018, a period that immediately preceded the cVDPV outbreak in Africa, 63 wastewater samples were collected from different areas in Maputo city. A total of 25 samples (39.7%) were positive based on cell culture isolation. Non-polio enteroviruses were found in 24 samples (24/25; 96%), whereas 1 Sabin-related poliovirus was isolated. Neither wild nor vaccine-derived poliovirus was detected. High circulation of EVB species was detected. Environmental surveillance in the One Health approach, if effectively applied as support to acute flaccid paralysis, can be a powerful aid to the public health system to monitor poliovirus besides non-polio enteroviruses in polio-free areas.
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