Study Confirms 54% Effectiveness of Indigenous Rotavac Vaccine Against Gastroenteritis in Indian Children

A study published in Nature Medicine has confirmed the effectiveness of Rotavac, India's indigenous oral rotavirus vaccine. Conducted across 31 hospitals in nine states between 2016 and 2020, the study found a 54% reduction in rotavirus-based gastroenteritis hospitalizations. Rotavac was introduced into India's Universal Immunization Programme (UIP) in 2016 and is administered at 6, 10, and 14 weeks of age. The vaccine was developed through a public-private partnership involving the Department of Biotechnology and Bharat Biotech. Rotavirus is a leading cause of death in children under five, accounting for approximately 128,500 deaths annually.

Key Points

  • Rotavac is an indigenous oral vaccine provided free to beneficiaries under the Universal Immunization Programme (UIP).
  • The vaccine showed 54% effectiveness in real-world conditions, matching phase 3 clinical trial results.
  • It is administered in three doses at 6, 10, and 14 weeks of age.
  • The study is one of the largest ever conducted on rotavirus vaccine effectiveness in India.

Exam Facts

  • 54% effectiveness rate
  • Administered at 6, 10, and 14 weeks
  • 128,500 annual child deaths due to rotavirus in India

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All current affairs of 18 October 2025