Impact of rotavirus vaccine implementation on Israeli children: a comparison between pre- and post-vaccination era

Hussein Zaitoon1, Shaden Hanna2, Ellen Bamberger3

  • 1Department of Pediatrics, Bnai Zion Medical Center, The Ruth and Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, 47 Golomb St., 31048, Haifa, Israel. Hussein.zaitoon@gmail.com.

Insights

Rotavirus vaccination significantly reduced hospitalizations for severe gastroenteritis in children. However, post-vaccination cases showed higher dehydration rates, necessitating continued surveillance of rotavirus infection.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Vaccinology

Background:

  • Rotavirus vaccination has decreased severe gastroenteritis and hospitalizations in children globally.
  • Characterizing hospitalized rotavirus patients is crucial for understanding disease impact.
  • This study compares clinical and laboratory features before and after rotavirus vaccine introduction.

Purpose of the Study:

  • To compare clinical and laboratory features of children hospitalized with acute rotavirus infection.
  • To assess changes in rotavirus gastroenteritis hospitalizations pre- and post-vaccination.

Main Methods:

  • Retrospective observational study of pediatric patients diagnosed with rotavirus acute gastroenteritis.
  • Data collected from Bnai Zion Medical Center pediatric emergency department between 2017 and 2019.
  • Comparison of patient characteristics and hospitalization rates during pre-vaccination (2007-2009) and post-vaccination (2012-2019) periods.

Main Results:

  • Rotavirus hospitalization rates decreased significantly post-vaccination (4.18 per 1000 ER visits) compared to pre-vaccination (11.71 per 1000 ER visits).
  • No statistical differences in gender, breastfeeding, or sibling status between groups.
  • A higher proportion of moderate-to-severe dehydration was observed in post-vaccination hospitalized children.

Conclusions:

  • Rotavirus vaccination led to a decline in acute gastroenteritis hospitalizations.
  • Increased dehydration rates in post-vaccination cases require further investigation.
  • Ongoing surveillance is recommended to understand the vaccine's full implications.
Abstract