INFO:

INTRODUCTION Dengue is caused by 4 flavivirus serotypes (DEN1-4). The incidence of dengue fever (DF) & dengue hemorrhagic fever (DHF) has increased 30 fold globally in the last 4 decades and more than half the world’s population is now threatened with it’s infection. According to WHO 100 million attacks of DF, 2,50,000 DHF occur annually with 25,000 unfortunate deaths.