Parent-collected respiratory specimens--a novel method for respiratory virus and vaccine efficacy research

Stephen B Lambert1, Kelly M Allen, Terence M Nolan

  • 1Vaccine and Immunisation Research Group, Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne, Australia. sblambert@uq.edu.au

Vaccine
|March 11, 2008
PubMed

Insights

Parent-collected specimens are effective for respiratory virus research in children. This method simplifies participation in vaccine efficacy studies by eliminating clinic visits, improving data collection for community-based research.

Area of Science:

  • Pediatric respiratory health
  • Infectious disease epidemiology
  • Vaccine research

Background:

  • Traditional respiratory research requires clinic visits during illness, potentially deterring participation.
  • Parental reluctance to enroll children or report illness can hinder population-based studies.
  • Alternative methods are needed to facilitate community-based respiratory virus research.

Purpose of the Study:

  • To evaluate the efficacy of parent-collected specimens for respiratory virus detection in preschool children.
  • To assess the impact of collection methods and timing on diagnostic yield.
  • To determine the feasibility of parent-collected specimens for vaccine efficacy studies.

Main Methods:

  • A community-based cohort study involving 234 preschool children.
  • Collection of 563 specimens from 730 identified illnesses between January 2003 and January 2004.
  • Testing of specimens using respiratory virus polymerase chain reaction (PCR) assays.

Main Results:

  • 73% (409/563) of specimens tested positive for at least one virus.
  • Specimen positivity was not significantly affected by parent's healthcare background, inclusion of throat swabs, or reported collection technique.
  • Virus detection sensitivity decreased with collection delays of six or more days.

Conclusions:

  • Parent-collected specimens, combined with symptom diaries and PCR testing, offer an efficient and acceptable approach for community-based respiratory virus research.
  • This method can improve participation and data accuracy in vaccine efficacy studies.
  • Parental involvement in specimen collection is a viable strategy for pediatric respiratory research.