Norman Noah Professor of Public Health and the London School of Hygiene and Tropical Medicine. He specialises in the epidemiology of infectious disease, especially surveillance, although he has also published widely on outbreaks and vaccines. His other profesional interests include the hygiene of skin piercing, and he has produced national guidelines for acupuncturists, tattooists, body piercers, ear piercers, beauty therapists and hairdressers. Read More Read Less