There is still some controversy
regarding the vaccine, however. Some feel that if the vaccine is given to every
baby, and if its effectiveness wanes
over the years, then many adults of that generation will be susceptible to the
virus. Since the disease is much more severe in adults than in children, that
would lead to more-serious infections in the long run.
Concerns regarding universal varicella immunization. Time
will tell.
MacFarlane LL, Sanders ML, Carek PJ.
Department of Family Medicine, Medical University of South Carolina, Charleston,
USA. macfarll@musc.edu
The American Academy of Pediatrics, the Advisory Committee on Immunization
Practices, and the American Academy of Family Physicians now recommend universal
immunization for varicella for all susceptible children and adolescents.
Although the varicella vaccine appears safe and efficacious, it is unknown how
universal immunization will influence the epidemiology of varicella infections.
The duration of immunity, both conferred
and passive reinoculation,
remains a concern and must continue to be evaluated in the population of vaccinees.
As universal immunization is implemented, the cost-effectiveness of such a
program will need to be evaluated. Physicians and parents must be educated about
the risks and benefits of vaccination vs natural infection.
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