Thu Jun 6, 2002
By Alison McCook
NEW YORK (Reuters Health) - A new study has found that quite a few people with chickenpox say they've already had a bout of the spot-causing ailment, suggesting that such repeat infection may be more common than previously thought.
Typically, one infection is thought to confer a lifelong immunity to future chickenpox infections.
Investigators led by Susan Hall of the University of North Carolina at Chapel Hill, rep