Dengue hemorrhagic fever is an acute fever caused by the dengue virus which is transmitted from human to human through the bite of the Aedes aegypti and Ae. albopictus. The purpose of this study was to determine the relationship between the non-structural 1 antigen test and the number of platelets in patients with suspected dengue hemorrhagic fever (DHF). NS1 antigen is a non-structural glycopr…