Comparison of immunogenicity, safety, and efficacy of EVA71 vaccine in children: a systematic review and meta-analysis.

Expert Rev VaccinesAug 25, 2026 (epub)
Clinical ResearchPediatrics

Muhammad Gilang Dwi Putra, Rodman Tarigan Girsang, Rais Amaral Haq et al.

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In 30 seconds

This systematic review and meta-analysis evaluated the immunogenicity, safety, and efficacy of inactivated EV-A71 vaccines in children, analyzing data from five phase III RCTs involving 36,659 participants. The study found that vaccination significantly increased seropositivity and seroconversion rates, with vaccine efficacy against EV-A71-associated HFMD exceeding 98%.

Key findings

  • Vaccination resulted in a pooled RR of 13.04 for seroconversion compared to placebo.
  • Vaccine efficacy against EV-A71-associated HFMD was over 98% (pooled RR 0.02).
  • Seropositivity increased significantly with RR 5.8 in early follow-up and RR 3.09 in medium-term follow-up.
  • Solicited adverse events were mild and comparable between vaccinated and placebo groups.

Why it matters

The findings underscore the effectiveness of EV-A71 vaccines in preventing hand, foot, and mouth disease in children, which can lead to severe complications. Understanding vaccine efficacy and safety is crucial for pediatric vaccination strategies.

Source

Published in Expert Rev Vaccines. This summary was written by xxcode from the publication's abstract and metadata. It is not peer reviewed and is not a substitute for the original article. For clinical decisions, review the original publication.

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AI-generated summaries may contain errors or omissions. Verify clinically important information with the original publication.

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