Derby shoe. A derby (pronounced /ËdÉËrbi/ DAR-bee or in North American English /ËdÉËrbi/ DUR-bee; also called gibson) is a style of boot or shoe characterized by quarters with shoelace eyelets that are sewn on top of the vamp. This construction method, also known as open lacing, contrasts with that of the oxfords.
Dengue is an infectious disease caused by dengue viruses, which are transmitted to humans by mosquitoes. The rising level of dengue infections has become a serious international concern.
Dengue is caused by an infection with one of the 4 serotypes of dengue virus, family Flaviviridae, genus Flavivirus (single-stranded nonsegmented RNA viruses). Annually, there are millions of infections and thousands of deaths related to dengue infection and global incidence is increasing [1].