May 23, 2013, There are two types of varicella vaccines: - A
chickenpox vaccine for vaccinating children, adolescents, and
adults - A shingles vaccine for vaccinating adults age 60 years
and older The live-virus varicella vaccine (Varivax) produces
persistent immunity against chickenpox. The vaccine can prevent
chickenpox or reduce the severity of the illness if it is used
within 3 days, and possibly up to 5 days, after exposure to the
infection. The childhood chickenpox vaccine can also be given as
part of a combination vaccine (Proquad) that combines measles,
mumps, rubella (together called MMR), and varicella in one
product. However, recent data indicate that combining varicella
and MMR vaccinations into one shot doubles the risk for febrile
(fever-related) seizures in children ages 12 - 24 months
compared to giving separate MMR and varicella injections.
Parents should consider the lower risk associated with separate
injections. Recommendations for the Chickenpox Vaccine in
Children The U.S. Centers for Di