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.
Outbreak details: Dengue Type 2 reported. Dengue, Zika, and chikungunya are all diseases caused from being bitten by infected Aedes mosquitoes, which are present in many tropical countries, Asia, and the Pacific. Dengue fever emerged as a worldwide problem in the 1950s, and is becoming more and more widespread.