<prompt>  Which of the following is LEAST suggestive off infection with polio virus -Low grade fever and malaise with complete resolution in 2 to 3 daysBiphasic illness with several days of fever, then meningeal symptoms and asymmetric flaccid paralysis 5 to 10 days laterDescending motor paralysis with preservation of tendon reflexes and sensationFailure to isolate a virus from the cerebrospinal fluid in the presence of marked meningismus 