A28-year-old welshman is experiencing insomnia, continually writhes his hands, and begins to exhibit irrational behavior. he seems to be losing his muscle control. it has become progressively worse over the past year. what is the most likely diagnosis? a 28-year-old welshman is experiencing insomnia, continually writhes his hands, and begins to exhibit irrational behavior. he seems to be losing his muscle control. it has become progressively worse over the past year. what is the most likely diagnosis? variant creutzfeldt-jakob disease (vcjd) botulism african sleeping sickness poliomyelitis