The combined measles - mumps - rubella - varicella (MMRV) vaccine shows a slightly increased risk of febrile seizures in children, compared with the previously separate vaccines for MMR and varicella (chickenpox)(MMR+V), according to an article in CMAJ (Canadian Medical Association Journal). (sciencedaily.com)
The researchers found a slight increase in the relative risk of febrile seizure with the MMRV vaccine compared with the MMR+V vaccine — about 1 excess seizure for every 2841 doses administered in the 7 - to 10 - day period after vaccination. (sciencedaily.com)
A few hours later, and several hundred miles further north, the more febrile atmosphere of the Scottish party conference in Perth provided a sterner test. (politics.co.uk)