Tippawan Jantafong, Alongkot Boonsoongnern, Pariwat Poolperm, Kitcha Urairong, Chalermpol Lekcharoensuk and Porntippa Lekcharoensuk*
* Corresponding author: Porntippa Lekcharoensuk fvetptn@ku.ac.th
Virology Journal 2011, 8:88 doi:10.1186/1743-422X-8-88