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Passive immunisation of children with bovine colostrum containing antibodies to human rotavirus
G P Davidson1, P B Whyte, E Daniels
1Gastroenterology Unit, Adelaide Medical Centre for Women and Children, South Australia.
Insights
Bovine colostrum, rich in antibodies, significantly protected infants from rotavirus infection. This natural intervention prevented illness in treated children, unlike the control group, highlighting its protective potential.
Area of Science:
- Pediatrics
- Immunology
- Gastroenterology
Background:
- Rotavirus is a leading cause of severe diarrhea in infants globally.
- Protecting young children from rotavirus infection is crucial for reducing healthcare burden.
- Existing interventions require further evaluation for efficacy and accessibility.
Purpose of the Study:
- To assess the protective efficacy of bovine colostrum against human rotavirus infection in hospitalized infants.
- To evaluate the impact of bovine colostrum supplementation on rotavirus disease incidence.
- To compare healthcare-seeking behavior between rotavirus-infected and non-infected children.
Main Methods:
- A randomized, controlled trial involving infants aged 3-15 months.
- Paired-block randomization based on ward accommodation (isolation vs. open area).
- Treatment group received 10-day bovine colostrum; control group received infant formula.
Main Results:
- None of the 55 treated children acquired rotavirus infection.
- 9 out of 65 control children contracted rotavirus infection (p < 0.001).
- Parents of symptomatic rotavirus-positive children sought medical attention seven times more often (p < 0.05).
Conclusions:
- Bovine colostrum with high antibody titers demonstrates significant protective efficacy against rotavirus infection in infants.
- This natural product offers a promising strategy for preventing rotavirus gastroenteritis.
- Reducing rotavirus incidence can decrease healthcare utilization and associated costs.
Abstract:
The efficacy of a 10-day course of bovine colostrum with high antibody titre against the four known human rotavirus serotypes in protecting children against rotavirus infection was examined in patients admitted to hospital. Children aged 3 to 15 months were blocked in pairs according to ward accommodation (ie, isolation or open area). Each block contained 1 treated and 1 control child. The allocation to treatment or control (an artificial infant formula) was randomised. 9 of 65 control children but none of 55 treated children acquired rotavirus infection during the treatment period (p less than 0.001). The importance of protecting against rotavirus infection was highlighted by the fact that parents of symptomatic rotavirus-positive children sought medical attention seven times more often than did parents of symptomatic rotavirus-negative children (p less than 0.05).