Effect of Interventions on Influenza A (H9N2) Isolation in Hong Kong’s Live Poultry Markets, 1999–2005

“…Studies have shown that the introduction of rest-day in LBMs led to a significant decline in the isolation rate of influenza virus (H9N2) in LBMs. 31,32 Besides, the increase in selling activities itself could be associated with a lapse in the institution of hygienic measures or even worse the selling of lower quality poultry material left unsold from previous activities. 13,33,34 Taken together these results suggest that market biosecurity upgrading and restructuring could have a significant impact on reducing the level of infection and possibly interrupting the cycle of infection persistence.…”

Section: Discussionmentioning

confidence: 99%

The role of live poultry movement and live bird market biosecurity in the epidemiology of influenza A (H7N9): A cross-sectional observational study in four eastern China provinces

Zhou

Wang

et al. 2015

Journal of Infection

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“…Measures aiming to fragment the networks could epidemiologically isolate these potential viral reservoirs and, consequently, limit their impact on disease maintenance within the poultry sector. Implementing hygiene measures, such as market rest days (40), in all potential viral reservoirs no longer would be necessary.…”

Section: Discussionmentioning

confidence: 99%

Interventions for avian influenza A (H5N1) risk management in live bird market networks

Fournié

Guitian

Desvaux³

et al. 2013

Proc. Natl. Acad. Sci. U.S.A.

121

107

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Highly pathogenic avian influenza virus subtype H5N1 is endemic in Asia, with live bird trade as a major disease transmission pathway. A cross-sectional survey was undertaken in northern Vietnam to investigate the structure of the live bird market (LBM) contact network and the implications for virus spread. Based on the movements of traders between LBMs, weighted and directed networks were constructed and used for social network analysis and individual-based modeling. Most LBMs were connected to one another, suggesting that the LBM network may support large-scale disease spread. Because of cross-border trade, it also may promote transboundary virus circulation. However, opportunities for disease control do exist. The implementation of thorough, daily disinfection of the market environment as well as of traders’ vehicles and equipment in only a small number of hubs can disconnect the network dramatically, preventing disease spread. These targeted interventions would be an effective alternative to the current policy of a complete ban of LBMs in some areas. Some LBMs that have been banned still are very active, and they likely have a substantial impact on disease dynamics, exhibiting the highest levels of susceptibility and infectiousness. The number of trader visits to markets, information that can be collected quickly and easily, may be used to identify LBMs suitable for implementing interventions. This would not require prior knowledge of the force of infection, for which laboratory-confirmed surveillance would be necessary. These findings are of particular relevance for policy development in resource-scarce settings.

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Effect of Interventions on Influenza A (H9N2) Isolation in Hong Kong’s Live Poultry Markets, 1999–2005

Cited by 55 publications

References 15 publications

Transmission of low-pathogenicity avian influenza virus of subtype H6N2 from chickens to Pekin ducks and Japanese quail (Coturnix coturnix japonica)

Transmission of low-pathogenicity avian influenza virus of subtype H6N2 from chickens to Pekin ducks and Japanese quail (Coturnix coturnix japonica)

The role of live poultry movement and live bird market biosecurity in the epidemiology of influenza A (H7N9): A cross-sectional observational study in four eastern China provinces

Interventions for avian influenza A (H5N1) risk management in live bird market networks

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