Consider the following statements with regard to acute anterior poliomyelitis:
1. It is caused by a virus belonging to picornavirus family
2. Muscle pain and cramps may be associated with diffuse transient fasciculations at the onset
3. Tonsillectomy reduces the risk of bulbar poliomyelitis
4. Cerebrospinal fluid may show mild pleocytosis with increase polymorphonuclear cells in early course of disease
Which of the above statements are correct?
(a) 1, 2 and 3
(b) 2, 3 and 4
(c) 1, 2 and 4
(d) 1, 3 and 4
ANS- (c) 1, 2 and 4