Prospective population-based study on rotavirus disease in Germany.

Area of Science:

• Pediatrics
• Infectious Diseases
• Virology

Background:

• Community-acquired acute gastroenteritis (AGE) is a common illness in children.
• Rotavirus (RV) is a major viral pathogen responsible for AGE globally.
• Understanding the epidemiology of RV-AGE in specific populations is crucial for public health interventions.

Purpose of the Study:

• To determine the incidence and clinical features of rotavirus-associated acute gastroenteritis in German children aged 0-4 years.
• To identify the predominant rotavirus serotypes circulating in Germany during the study period.
• To compare the severity of rotavirus-positive AGE with rotavirus-negative AGE.

Main Methods:

• Prospective study conducted in 20 pediatric practices across 5 German regions from May 1997 to April 1998.
• Children aged 0-4 years presenting with AGE symptoms were eligible for inclusion.
• Stool samples were tested for rotavirus antigen using ELISA; serotyping was performed by PCR. Disease severity and hospitalization rates were recorded.

Main Results:

• Out of 15,451 children, 3980 (26%) had AGE, and 748 (24%) of 3156 tested stool samples were RV-positive.
• The incidence of AGE was 25.2 per 100 children/year, with RV-AGE incidence at 4.0 per 100 children/year, peaking in February/March 1998.
• RV-positive AGE cases were significantly more severe than RV-negative cases (28% vs 12% severe, 6.2% vs 2.0% hospitalization rate, p < 0.001).
• The predominant genotypes were G1/P[8] (77%) and G4/P[8] (17%).

Conclusions:

• Rotavirus is a significant contributor to severe acute gastroenteritis in young children in Germany.
• Effective prevention strategies, including vaccination against prevalent serotypes, could substantially reduce the burden of RV-AGE.
• An estimated 122,000 children in Germany could be protected annually from RV-AGE through immunization.