Absence of Zika virus among pregnant women in Vietnam in 2008.

Infection Placenta Serology Vietnam Zika virus

Journal

Tropical diseases, travel medicine and vaccines
ISSN: 2055-0936
Titre abrégé: Trop Dis Travel Med Vaccines
Pays: England
ID NLM: 101674442

Informations de publication

Date de publication:
01 Mar 2023
Historique:
received: 12 10 2022
accepted: 06 02 2023
entrez: 1 3 2023
pubmed: 2 3 2023
medline: 2 3 2023
Statut: epublish

Résumé

Despite being first identified in 1947, Zika virus-related outbreaks were first described starting from 2007 culminating with the 2015 Latin American outbreak. Hypotheses indicate that the virus has been circulating in Asia for decades, but reports are scarce. We performed serological analysis and screened placental samples isolated in 2008 for the presence of Zika virus from pregnant women in Ho Chi Minh City (Vietnam). None of the placental samples was positive for Zika virus. Four serum samples out of 176 (2.3%) specifically inhibited Zika virus, with variable degrees of cross-reactivity with other flaviviruses. While one of the four samples inhibited only Zika virus, cross-reactivity with other flaviviruses not included in the study could not be ruled out. Our results support the conclusion that the virus was not present among pregnant women in the Vietnamese largest city during the initial phases of the epidemic wave.

Sections du résumé

BACKGROUND BACKGROUND
Despite being first identified in 1947, Zika virus-related outbreaks were first described starting from 2007 culminating with the 2015 Latin American outbreak. Hypotheses indicate that the virus has been circulating in Asia for decades, but reports are scarce.
METHODS METHODS
We performed serological analysis and screened placental samples isolated in 2008 for the presence of Zika virus from pregnant women in Ho Chi Minh City (Vietnam).
RESULTS RESULTS
None of the placental samples was positive for Zika virus. Four serum samples out of 176 (2.3%) specifically inhibited Zika virus, with variable degrees of cross-reactivity with other flaviviruses. While one of the four samples inhibited only Zika virus, cross-reactivity with other flaviviruses not included in the study could not be ruled out.
CONCLUSION CONCLUSIONS
Our results support the conclusion that the virus was not present among pregnant women in the Vietnamese largest city during the initial phases of the epidemic wave.

Identifiants

pubmed: 36855197
doi: 10.1186/s40794-023-00189-7
pii: 10.1186/s40794-023-00189-7
pmc: PMC9976504
doi:

Types de publication

Journal Article

Langues

eng

Pagination

4

Subventions

Organisme : Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
ID : 320030-169853

Commentaires et corrections

Type : ErratumIn

Informations de copyright

© 2023. The Author(s).

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Auteurs

Y-C Chiu (YC)

Materno-Fetal and Obstetrics Research Unit, Department Woman-Mother-Child, Lausanne University Hospital, Lausanne, Switzerland.

D Baud (D)

Materno-Fetal and Obstetrics Research Unit, Department Woman-Mother-Child, Lausanne University Hospital, Lausanne, Switzerland.
Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland.

A Fahmi (A)

Institute of Virology and Immunology, Bern, Switzerland.
Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.
Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland.

B Zumkehr (B)

Institute of Virology and Immunology, Bern, Switzerland.
Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.

M Vouga (M)

Materno-Fetal and Obstetrics Research Unit, Department Woman-Mother-Child, Lausanne University Hospital, Lausanne, Switzerland.

L Pomar (L)

Materno-Fetal and Obstetrics Research Unit, Department Woman-Mother-Child, Lausanne University Hospital, Lausanne, Switzerland.

D Musso (D)

Aix Marseille Université, Institut de Recherche Pour Le Développement (IRD), Assistance Publique-Hôpitaux de Marseille, Service de Santé Des Armées, Vecteurs-Infections Tropicales et Méditerranéennes (VITROME), and Institut Hospitalo-Universitaire Méditerranée Infection, Marseille, France.
Laboratoire Eurofins Labazur Guyane, Eurofins, Cayenne, French Guiana.

B C Thuong (BC)

Tu Du Hospital, District 1, Ho Chi Minh City, Vietnam.

M P Alves (MP)

Institute of Virology and Immunology, Bern, Switzerland.
Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.
Multidisciplinary Center for Infectious Diseases (MCID), University of Bern, Bern, Switzerland.

M Stojanov (M)

Materno-Fetal and Obstetrics Research Unit, Department Woman-Mother-Child, Lausanne University Hospital, Lausanne, Switzerland. milos.stojanov@chuv.ch.
Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland. milos.stojanov@chuv.ch.

Classifications MeSH