Hospitalization may be necessary. No one with chickenpox child or adult should receive any medicine containing aspirin because this combination has been associated with a disease called Reye's syndrome . The vaccine has been available for use in the United States since 1995. The vaccine is given in one dose to children 1 to 12 years in age. Protection is believed to last at least 10 to 20 years and perhaps longer, but it's unclear whether a booster shot may be necessary later in life.
Many vaccines require booster doses.
Time and study will tell if Varivax is one of them. The vaccine isn't approved for use in pregnant women, people with weakened immunity and people who are allergic to gelatin or the antibiotic neomycin. Consult your doctor for more information about the varicella vaccine. Parents typically wonder whether vaccines are safe. Since its availability, several million doses of the varicella vaccine have been given to children in the United States.