Change in incidence of clinic visits for all-cause and rotavirus gastroenteritis in young children following the introduction of universal rotavirus vaccination in Israel

Khitam Muhsen, G. Chodick, S. Goren, E. Anis, T. Ziv-Baran, V. Shalev, D. Cohen

Research output: Contribution to journalArticlepeer-review

Abstract

Both rotavirus vaccines RotaTeq and Rotarix were efficacious against severe rotavirus gastroenteritis in clinical trials; yet real-world data on the effect of rotavirus vaccines on mild to moderate disease are limited. We used a large computerised database of Maccabi Health Services Health Maintenance Organisation (HMO), the second largest HMO in Israel covering 25% of the Israeli population, to compare the incidence of acute gastroenteritis (AGE) clinic visits in community settings (n = 302,445) before (2005–10) and after (2011–13) the introduction of universal rotavirus immunisation in Israel. We retrieved laboratory results of rotavirus antigen tests (n = 18,133) and using a weighted analysis, we estimated the impact of rotavirus immunisation on the disease burden of rotavirus AGE clinic visits. Following the introduction of universal rotavirus immunisation, the typical winter peaks of rotavirus AGE were substantially lower and significant reductions of 14.8% (95% confidence interval (CI): 13.5–16.1) in all-cause AGE clinic visits and of 59.7% (95% CI: 59.8–62.6) in rotavirus AGE clinic visits were observed. The decrease was observed in all age groups, but it was greater in children aged 0 to 23 months than those aged 24 to 59 months. Continued rotavirus laboratory surveillance is warranted to monitor the sustainability of these changes.

Original languageEnglish
JournalEurosurveillance
Volume20
Issue number42
DOIs
StatePublished - 22 Oct 2015

All Science Journal Classification (ASJC) codes

  • Epidemiology
  • Public Health, Environmental and Occupational Health
  • Virology

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