Detection and diversity of gastrointestinal viruses in wastewater from Caracas, Venezuela, 2021-2022.
Virology
; 589: 109913, 2024 01.
Article
en En
| MEDLINE
| ID: mdl-37924728
ABSTRACT
Gastrointestinal viruses (GIV) are an important cause of childhood morbidity and mortality, particularly in developing countries. Their epidemiological impact in Venezuela during the COVID-19 pandemic remains unclear. GIV can also be detected in domestic sewage. Ninety-one wastewater samples from urban areas of Caracas collected over 12 months and concentrated by polyethylene-glycol-precipitation, were analyzed by multiplex reverse-transcription-PCR for rotavirus/calicivirus/astrovirus and enterovirus/klassevirus/cosavirus, and monoplex-PCR for adenovirus and Aichi virus. The overall frequency of virus detection was 46.2%, fluctuating over months, and peaking in the rainy season. Adenoviruses circulated throughout the year, especially type F41, and predominated (52.7%) over caliciviruses (29.1%) that peaked in the rainy months, rotaviruses (9.1%), cosaviruses (5.5%), astroviruses and enteroviruses (1.8%). Aichi-virus and klassevirus were absent. Rotavirus G9/G12, and P[4]/P[8]/P[14] predominated. The occurrence of GIV in wastewater reflects transmission within the population of Caracas and the persistence of a potential public health risk that needs to be adequately monitored.
Palabras clave
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Picornaviridae
/
Enterovirus
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Rotavirus
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Infecciones por Enterovirus
/
Gastroenteritis
Límite:
Humans
País/Región como asunto:
America do sul
/
Venezuela
Idioma:
En
Revista:
Virology
Año:
2024
Tipo del documento:
Article
País de afiliación:
Venezuela