controlled study 5 unclassified drug Dengue virus 4 Humans 4 human 4 Dengue 3 Dengue Virus 3 Dengue virus 2 3 article 3 human cell 3 nonhuman 3 reverse transcription polymerase chain reaction 3 Article 2 Base Sequence 2 Western blotting 2 animal cell 2 antiviral activity 2 dengue 2 drug cytotoxicity 2 drug synthesis 2 genetics 2 immunoglobulin M 2 immunology 2 in vitro study 2 major clinical study 2 nucleotide sequence 2 physiology 2 real time polymerase chain reaction 2 virology 2 virus RNA 2