]> 2026-07-31T11:52:01+00:00 WBR0115 0 en Enveloped single-stranded positive-sense RNA virus West Nile virus is an enveloped single-stranded positive-sense RNA virus. Enveloped single-stranded negative-sense RNA virus Non-enveloped single-stranded positive-sense RNA virus Non-enveloped single-stranded negative-sense RNA virus Non-enveloped double-stranded RNA virus Microbiology During an outbreak of an infectious disease, a 30-year-old man presents to the emergency department with fever for the past 2 days. He complains that he has diffuse body aches with myalgia and loss of appetite. Further history-taking reveals that the patient was recently bitten by a ''Culex'' mosquito. The patient's blood pressure is 110/84 mmHg, heart rate is 102/min, and temperature is 38.4 °C (101.12 °F). Physical examination, including neurological exam, is unremarkable. The physician suspects the patient might be infected by an agent that has also infected bird species in the same district. Which of the following best characterizes the infectious agent responsible for this patient's condition? A Infectious Disease 2020-10-27T23:23:52Z 2459150.4749074 WBR0115