The Pediatric infectious disease journal · 2020
Impact of Routine Rotavirus Vaccination in Germany: Evaluation Five Years After Its Introduction.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Marquis Adine, Koch Judith
Аннотация
BACKGROUND: Routine rotavirus (RV)-vaccination is recommended in Germany since August 2013. Five years later, we evaluated the recommendation by examining vaccine uptake and the impact on RV-gastroenteritis (RVGE) burden in all age groups and on intussusceptions in infants.
METHODS: We estimated RV-vaccine uptake in the 2014-2018 birth cohorts using statutory health insurance prescription data. For impact assessment, we analyzed RVGE-surveillance data of the German infectious diseases notification system. We compared age-specific RVGE-incidences of different severity between pre-vaccination (2005/06-2007/08) and routine vaccination period (2013/14-2017/18) calculating incidence rate ratios (IRR) using Poisson regression. To determine the effect on intussusception, we used hospital discharge data (2006-2017) and compared incidences between pre-vaccination and routine vaccination period using Poisson regression.
RESULTS: Vaccination coverage increased from 59% (2014) to 80% (2018). Incidences of RVGE-outpatient cases, RVGE-hospitalization and nosocomial RVGE among <5-year-olds decreased by 74% (IRR = 0.26; 95% CI: 0.26-0.27), 70% (IRR = 0.30; 95% CI: 0.30-0.31) and 70% (IRR = 0.30; 95% CI: 0.30-0.31), respectively. Incidence of RVGE-outpatient cases in age groups ineligible for RV-vaccination decreased by 38% (IRR 0.62; 95% CI: 0.61-0.63). Compared with the pre-vaccination period, incidence of intussusception in the first year of life decreased by 28% (IRR = 0.73; 95% CI: 0.68-0.79) while at age of the first vaccine-dose (7th-12th week of age) increase in incidence of intussusception was non-significant (IRR = 1.29; 95% CI: 0.93-1.78).
CONCLUSIONS: Routine RV-vaccination is well accepted in Germany. Since implementation of routine RV-vaccination, RVGE significantly decreased in <5-year-olds and in non-vaccinated older age groups through herd protection. The decline of intussusceptions in the first life year suggests a potential vaccination-associated protection against gastrointestinal infections that might trigger intussusceptions. These encouraging results should be communicated to doctors and parents for further improvement of vaccine uptake and protection of more infants.
METHODS: We estimated RV-vaccine uptake in the 2014-2018 birth cohorts using statutory health insurance prescription data. For impact assessment, we analyzed RVGE-surveillance data of the German infectious diseases notification system. We compared age-specific RVGE-incidences of different severity between pre-vaccination (2005/06-2007/08) and routine vaccination period (2013/14-2017/18) calculating incidence rate ratios (IRR) using Poisson regression. To determine the effect on intussusception, we used hospital discharge data (2006-2017) and compared incidences between pre-vaccination and routine vaccination period using Poisson regression.
RESULTS: Vaccination coverage increased from 59% (2014) to 80% (2018). Incidences of RVGE-outpatient cases, RVGE-hospitalization and nosocomial RVGE among <5-year-olds decreased by 74% (IRR = 0.26; 95% CI: 0.26-0.27), 70% (IRR = 0.30; 95% CI: 0.30-0.31) and 70% (IRR = 0.30; 95% CI: 0.30-0.31), respectively. Incidence of RVGE-outpatient cases in age groups ineligible for RV-vaccination decreased by 38% (IRR 0.62; 95% CI: 0.61-0.63). Compared with the pre-vaccination period, incidence of intussusception in the first year of life decreased by 28% (IRR = 0.73; 95% CI: 0.68-0.79) while at age of the first vaccine-dose (7th-12th week of age) increase in incidence of intussusception was non-significant (IRR = 1.29; 95% CI: 0.93-1.78).
CONCLUSIONS: Routine RV-vaccination is well accepted in Germany. Since implementation of routine RV-vaccination, RVGE significantly decreased in <5-year-olds and in non-vaccinated older age groups through herd protection. The decline of intussusceptions in the first life year suggests a potential vaccination-associated protection against gastrointestinal infections that might trigger intussusceptions. These encouraging results should be communicated to doctors and parents for further improvement of vaccine uptake and protection of more infants.