In nonrandomized studies, can we use a person's preimmunization experience to help gauge the safety and efficacy of immunization?
Department of Epidemiology, School of Public Health and Community Medicine, University of Washington, Seattle, WA 98195, USA. nwiess@u.washington.edu
Noel S
NS
Weiss
Robert L
RL
Davis
D002986:Clinical Trials as Topic; D015986:Confounding Factors, Epidemiologic; D006801:Humans; D007223:Infant; D007443:Intussusception / Q000276:immunology / Q000517:prevention & control* / Q000821:virology; D022243:Rotavirus Vaccines / Q000276:immunology / Q000627:therapeutic use*
D022243:Rotavirus Vaccines; C052014:rhesus rotavirus vaccine