Article Text
Statistics from Altmetric.com
QUESTION: What are the benefits and harms of varicella vaccination in children?
Data sources
Studies were identified by searching Medline (1966 to 2000) with the terms chickenpox, vaccination, and human, and with methodological terms to retrieve high quality controlled clinical trials and cohort studies; EMBASE/Excerpta Medica; and the Cochrane Library. The internet was searched for position papers and summaries from health organisations and vaccine product information, and reference lists of relevant articles were reviewed.
Study selection
Studies were selected if they were randomised controlled trials (RCTs) or cohort studies of healthy humans vaccinated with varicella zoster virus (VZV) vaccine and if they assessed the incidence of varicella, zoster, or adverse reactions to vaccination.
Data extraction
Data were extracted on study design, patient characteristics, length of …
Footnotes
-
Source of funding: not stated.
-
For correspondence: Dr S Skull, Victorian Infectious Diseases Service, Royal Melbourne Hospital, Parkville, 3050 Victoria, Australia.