This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology Pa-2 (RNA Virus Pa-1,2 & Miscellaneous Viruses), Subject name: Microbiology
[{'content': 'All the following viruses are transmitted by ahropod vectors except: \nSelect and explain. \nA. Hantavirus, B. Dengue, C. Chikungunya, D. Japanese Encephalitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Option 1: Infection with hantavirus can progress to Hantavirus Pulmonary Syndrome (HPS). Infection : through contact with hantavirus-infected rodents or their urine and droppings. Dogs and cats are not known to carry hantavirus; however, they may bring infected rodents into contact with people if they catch such animals and carry them home. Option 2: Dengue - transmitted by Aedes aegypti. Option 3: Chikungunya - transmitted by Aedes aegypti and Aedes albopictus. Option 4: Japanese Encephalitis- transmitted by Culex tritaeniorhynchus. So, options 2, 3, 4 are transmitted by ahropod vectors.', 'role': 'assistant'}]