Frontiers in Public Health
Safety of Sabin-derived inactivated poliovirus vaccine in adult booster recipients: a systematic review and meta-analysis
Background Poliomyelitis remains a public health concern in select regions. Sabin strain-derived inactivated poliovirus vaccine (sIPV) offers a potentially safer and cost-effective alternative to conventional IPV (cIPV) for adult booster immunization. Objective To systematically review and meta-analyze evidence on the safety of sIPV in adults. Methods We searched PubMed, Embase, Cochrane, and Scopus through January 2026 for randomized controlled trials comparing sIPV with cIPV/w-IPV or placebo in adults. Safety out …