Epstein-Barr virus and Burkitt’s lymphoma. Associations in Iraqi Kurdistan and twenty-two countries assessed in the International Incidence of Childhood Cancer

Table 4 Serological testing among 515 non-oncology outpatients for Ig Epstein-Barr virus viral capsid antigen

Age (years)	No. tested	No. positive	Fraction positive
0.25-0.99*	20	9	0.45
1	34	16	0.47
2	33	17	0.52
3	19	13	0.68
4	27	17	0.63
5	25	21	0.84
6	35	24	0.69
7	30	23	0.77
8	26	20	0.77
9	13	9	0.69
10–14	74	65	0.88
15–19	33	32	0.97
20–24	22	16	0.73
25–29	22	22	1.00
30–34	15	14	0.93
35–39	19	17	0.89
40–49	29	29	1.00
50–59	25	23	0.92
60–69	14	14	1.00
Total	515	401	0.78

Results are tabulated by age and as a total.
*Under one year of age, subjects less than three months old were not reported, because maternal antibodies produced passive IgG positive and IgM negative reactions. Three such subjects were found at three and 12 days and two months.

ISSN: 1750-9378