- Roger Jay, consultant geriatrician
- Newcastle upon Tyne Hospitals NHS Trust, Freeman Hospital, Newcastle upon Tyne NE7 7DN, UK
- roger.jay{at}nhs.net
Klein and colleagues provide valuable information about the duration of effectiveness of the live herpes zoster vaccination in a Californian population aged over 50, extending to those aged over 80.1 The incidence of severe complications of shingles in unvaccinated people was 113 per 100 000 per year, half …