LONDON (Reuters Health) - Scientists said on Thursday that vaccinating children against chickenpox (varicella) could increase the risk that adults would develop shingles, a painful blistering rash that is potentially dangerous in the elderly. The team, at Britain's Public Health Laboratory Service (PHLS), said that although vaccination would save thousands of lives over time, thousands of elderly people could also die from the complications of shingles, known as herpes zoster. Writing in the journal Vaccine, they called for a re-evaluation of the policy of mass chickenpox vaccination that has been introduced already in the United States and is imminent in...
