Viruses like Avian flu, Ebola and Marburg often fester in animals before moving into human populations. Animals in regions that are geographically remote present particular challenges for disease containment. But in Thailand, local residents are using technology, including digital scanning, to track animals and stop outbreaks before they start. Special correspondent Fred de Sam Lazaro reports.



Credit Photo and video by : Fred de Sam Lazaro and (https://www.pbs.org)