The Vietnam Initiative on Zoonotic Infections (VIZIONS): A Strategic Approach to Studying Emerging Zoonotic Infectious Diseases

Maia A. Rabaa, Ngo Tri Tue, Tran My Phuc, Juan Carrique-Mas, Karen Saylors, Matthew Cotten, Juliet E. Bryant, Ho Dang Trung Nghia, Nguyen Van Cuong, Hong Anh Pham, Alessandra Berto, Voong Vinh Phat, Tran Thi Ngoc Dung, Long Hoang Bao, Ngo Thi Hoa, Heiman Wertheim, Behzad Nadjm, Corina Monagin, H. Rogier van Doorn, Motiur RahmanMy Phan Vu Tra, James I. Campbell, Maciej F. Boni, Pham Thi Thanh Tam, Lia van der Hoek, Peter Simmonds, Andrew Rambaut, Tran Khanh Toan, Nguyen van Vinh Chau, Tran Tinh Hien, Nathan Wolfe, Jeremy J. Farrar, Guy Thwaites, Paul Kellam, Mark E J Woolhouse, Stephen Baker*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

The effect of newly emerging or re-emerging infectious diseases of zoonotic origin in human populations can be potentially catastrophic, and large-scale investigations of such diseases are highly challenging. The monitoring of emergence events is subject to ascertainment bias, whether at the level of species discovery, emerging disease events, or disease outbreaks in human populations. Disease surveillance is generally performed post hoc, driven by a response to recent events and by the availability of detection and identification technologies. Additionally, the inventory of pathogens that exist in mammalian and other reservoirs is incomplete, and identifying those with the potential to cause disease in humans is rarely possible in advance. A major step in understanding the burden and diversity of zoonotic infections, the local behavioral and demographic risks of infection, and the risk of emergence of these pathogens in human populations is to establish surveillance networks in populations that maintain regular contact with diverse animal populations, and to simultaneously characterize pathogen diversity in human and animal populations. Vietnam has been an epicenter of disease emergence over the last decade, and practices at the human/animal interface may facilitate the likelihood of spillover of zoonotic pathogens into humans. To tackle the scientific issues surrounding the origins and emergence of zoonotic infections in Vietnam, we have established The Vietnam Initiative on Zoonotic Infections (VIZIONS). This countrywide project, in which several international institutions collaborate with Vietnamese organizations, is combining clinical data, epidemiology, high-throughput sequencing, and social sciences to address relevant one-health questions. Here, we describe the primary aims of the project, the infrastructure established to address our scientific questions, and the current status of the project. Our principal objective is to develop an integrated approach to the surveillance of pathogens circulating in both human and animal populations and assess how frequently they are exchanged. This infrastructure will facilitate systematic investigations of pathogen ecology and evolution, enhance understanding of viral cross-species transmission events, and identify relevant risk factors and drivers of zoonotic disease emergence.

Original languageEnglish
Pages (from-to)726-735
Issue number4
Early online date24 Oct 2015
Publication statusPublished - Dec 2015

Keywords / Materials (for Non-textual outputs)

  • diagnostics
  • disease surveillance
  • diseases of unknown origin
  • genomics
  • high-risk cohort
  • social science
  • ultra-deep sequencing
  • Vietnam
  • zoonotic infection


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