The real-time RT-PCR research was conducted by the Vietnam Military Medical University and the Viet A Corporation. The detection kit has also been licensed by the Ministry of Health. The process of researching and perfecting the detection kit has been carried out in accordance with very strict processes. The results showed the criteria equivalent to that of biological products introduced by the US Center for Disease Control and the World Health Organisation. The kit was researched, completed and tested thoroughly by the Central Institute of Hygiene and Epidemiology and compared to the test kits being used by the World Health Organisation, the Vietnamese product provided similar results. Base on the positive result, the detection kit was licensed by the Ministry of Health on March 4./.