Confiscated bushmeat 'poses virus threat'
Scientists have documented potentially dangerous viruses entering the US through illegally imported wildlife products.
Testing of meats confiscated at American airports has revealed the presence of several pathogens that could pose a risk to human health.
Retroviruses and herpesviruses were identified, some of them isolated from remains of endangered monkey species.
The research study is reported in the journal PLoS One.
Its authors say better surveillance measures are needed to ensure this trade does not result in the emergence of new disease outbreaks in humans.
"Although the findings to date are from a small pilot study, they remind us of the potential public health risk posed by illegal importation of wildlife products - a risk we hope to better characterize through expanded surveillance at ports of entry around the country," said Dr Kristine Smith, from EcoHealth Alliance, who led the investigation team.
Scientists estimate that some 75% of emerging infectious diseases affecting people have come from contact with wildlife.
Some of this is the result of animals biting humans, but the handling and consumption of infected meats is also considered a significant route of transmission.
Classic examples of infections that have jumped across the species include HIV/Aids, which is thought to have originated in primates, and Sars, an infection that caused global concern in 2003.
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