WHO Prequalifies New Oral Polio Vaccine to Strengthen Outbreak Control 1 min read News WHO Prequalifies New Oral Polio Vaccine to Strengthen Outbreak Control Oluwatobi Adu February 13, 2026 0 ABUJA, Nigeria – The World Health Organization has prequalified an additional novel oral polio vaccine type 2... Read More Read more about WHO Prequalifies New Oral Polio Vaccine to Strengthen Outbreak Control