Alipon, SweetC B., Vaccine-Preventable Diseases and Immunization, Division of Programmes for Disease Control, World Health Organization Regional Office for the Western Pacific, Manila, Philippines, Philippines

• Western Pacific Surveillance and Response Vol. 13 No. 2 (2022): April ‒ June - Outbreak Investigation Report
  Emergence of vaccine-derived poliovirus type 2 after using monovalent type 2 oral poliovirus vaccine in an outbreak response, Philippines
  Abstract  English PDF