WHO grants pre-qualification status for Biological E.’s novel oral polio vaccine type 2 The HinduBiological E’s nOPV2 polio vax get WHO prequalification The Times of IndiaBE’s Oral Polio Vaccine Gets WHO Pre-Qualification RediffmailBE’s oral polio vaccine gets WHO’s pre-qualification status BusinessLineHyderabad-based BE gets WHO prequalification for its polio vaccine Telangana Today WHO grants pre-qualification status for Biological E.’s novel oral polio vaccine type 2 The HinduBiological E’s nOPV2 polio vax get WHO prequalification The Times of IndiaBE’s Oral Polio Vaccine Gets WHO Pre-Qualification RediffmailBE’s oral polio vaccine gets WHO’s pre-qualification status BusinessLineHyderabad-based BE gets WHO prequalification for its polio vaccine Telangana Today Top stories – Google News