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.