16 February 2021. Watching for novel pathogens in Southeast Asia has recently become an important part of the global effort to understand the pandemic. The Cambodian report helped confirm the accuracy of the P.C.R. test, and it revealed that only minor changes in the sequences were appearing.https://www.nytimes.com/2021/02/16/world/a-lab-in-cambodia-is-on-the-lookout-for-the-next-pandemic.html