Febrile seizures

Chickenpox

Measles-mumps-rubella-varicella combination vaccine and the risk of febrile seizures. 2010, Klein, Pediatrics

MMRV increases the risk of febrile seizures 7-10 days after inoculation by 2 times compared to individual vaccines (MMR and chickenpox). MMRV increases the risk of febrile seizures by 7.6 times, MMR+V - 4-fold, and MMR separately - 3.7 times. (USA)

Chickenpox

Risk of febrile seizures after first dose of measles-mumps-rubella-varicella vaccine: a population-based cohort study. 2014, MacDonald, CMAJ

MMRV increases the risk of febrile seizures by 6.5 times, and MMR+V - by 3.3 times. (Canada)