An ice dam is a ridge of ice that forms at the edge of a roof and prevents melting snow (water) from draining off the roof. The water that backs up behind the dam can leak into a home and cause damage to walls, ceilings, insulation, and other areas.
VARIVAX is a vaccine indicated for active immunization for the prevention of varicella in individuals 12 months of age or older. Each dose is approximately 0.5 mL after reconstitution and is administered by subcutaneous injection.
Response from Anne A. Gershon, MD. Varicella (chickenpox) is caused by the varicella-zoster virus (VZV). A live attenuated vaccine against varicella was licensed by the FDA in 1995 and is recommended for all healthy individuals over 1 year of age who have never had varicella.