Table 1.

Background characteristics of AFP cases reported in South Africa between January 2005 and December 2009

Characteristic	Frequency
	(n = 1501)	%
Sex
Male	815	54.3
Female	686	45.7
Age-group categories
<1 years	63	4.2
1-5 years	946	63.0
6-10 years	335	22.3
11-15 years	157	10.5
Clinical symptoms
Fever at onset	692	39.4
Asymmetric paralysis	508	33.8
Paralysis progressed > 3 days	872	58.1
Polio immunization status
Partially immunized and on schedule	379	25.2
Partially immunized and not on schedule	444	29.6
Unknown immunization status	678	45.2