Table 4.
Viruses associated with febrile seizures, peak seasons, and prevalence in children with febrile seizures.
| Virus | Seasonal peaks | % of all febrile seizures | |
|---|---|---|---|
| Influenza A and B | Winter | 15–50% (25, 34) | |
| Respiratory syncytial virus | Winter | 9% (6) | |
| Adenovirus | None | 11–21% (6, 13) | |
| Human metapneumovirus | Winter | 2–3% (6, 25) | |
| Parainfluenza | 1 | Biannual, Summer-Autumn | 10–18% (23, 26) |
| 2 | Biannual, Winter | ||
| 3 | Spring | ||
| 4a and 4b | Summer-Autumn | ||
| Rhinovirus | Spring-Early Autumn | 14–22% (6, 25) | |
| Rotavirus | Winter | 1.3% (35) | |
| Enterovirus | Summer | 20–38.9% (6, 34) | |
| Human herpes virus-6 | None | 20% (6) |