1. Biological E’s oral polio vaccine gets WHO pre-qualification The Financial Express
  2. Biological E's nOPV2 polio vax get WHO prequalification The Times of India
  3. Hyderabad Company BE receives WHO's Pre-qualification status for novel oral polio vaccine ap7am
  4. WHO grants pre-qualification status to Biological E.’s novel oral polio vaccine type 2 The Hindu
  5. BE's Oral Polio Vaccine Gets WHO Pre-Qualification Rediffmail

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