Polio
Table:
Polio
Other names	Poliomyelitis, infantile paralysis

A man with a smaller right leg due to poliomyelitis
Pronunciation

/ˌpoʊlioʊˌmaɪəˈlaɪtɪs/

Specialty	Neurology, infectious disease
Symptoms	Muscle weakness resulting in an inability to move[1]
Complications	Post-polio syndrome[2]
Usual onset	Few hours to days[1][3]
Causes	Poliovirus spread by fecal-oral route[1]
Diagnostic method	Finding the virus in the feces or antibodies in the blood[1]
Prevention	Polio vaccine[3]
Treatment	Supportive care[3]
Frequency	136 people (2018)[4]

Consulting the table, decide if the statement is entailed, neutral, or refuted by the data. Give your final answer in JSON format {"answer": "YOUR ANSWER"}.

Assertion: The Polio vaccine is an expensive treatment.

answer: neutral