From: The impact of serological features in Chinese children with primary or past Epstein–Barr virus infections
Primary infection (n = 69)
Age (months)
1–23
24–35
≥36
IM (n = 24)
7 (25.0%)
7 (53.9%)
10 (35.7%)
Non-IM (n = 45)
21 (75.0%)
6 (46.1%)
18 (64.3%)
Total
28
13