The diagnostic modalities with
high sensitivity and specificity such as RCR and ELISA are most
favorable, but such methods are normally more complex, laborious
and expensive. An early diagnosis ofthe dengue virus infection,
∗ Corresponding author at: Agri-Biophtonics Division, National Institute for Lasers
and Optronics (NILOP), Nilore, Islamabad 45650, Pakistan. Tel.: +92 519248671;
fax: +92 512208051.
E-mail address: k.saranjam@yahoo.com (S. Khan).
necessary for the treatment and to control epidemic, still remains
a challenging task