Glossary terms with D A B C D E F G H I J K L M N O P Q R S T U V W X Y Z D Daptomycin Daptomycin is an antibiotic of last resort that is used to treat infections with gram-positive MRSA. Decolonisation Decolonisation is the elimination of certain pathogens in humans. Dengue fever Dengue fever is a viral disease transmitted by the tiger mosquito. Directly acting antivirals Directly acting antivirals (DAA) are novel drugs for the treatment of hepatitis C, which directly target the hepatitis C virus. DNA sequencing DNA sequencing is the determination of the order of building blocks within a DNA molecule. Droplet infection A droplet infection is caused by bacteria or viruses that are released into the air when sneezing, coughing or speaking and hit the mucous membranes of the mouth, nose or eyes of a person in the vicinity.