An experience of mass administration of fractional dose inactivated polio vaccine through intradermal needle-free injectors in Karachi, Sindh, Pakistan

• Main Authors: Umar Farooq Bullo (Author), Jaishri Mehraj (Author), Syed Musa Raza (Author), Shumaila Rasool (Author), Noreen Naz Ansari (Author), Ahmed Ali Shaikh (Author), Zamir Ali Phul (Author), Sohail Ahmed Memon (Author), Rehan Iqbal Baloch (Author), Zahoor Ahmed Baloch (Author), Shoukat Ali Chandio (Author)
• Format: Book
• Published: BMC, 2021-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background Inactivated Polio Vaccine (IPV) campaign was conducted in February 2019 in Karachi where needle-free injectors were introduced for the administration of the fractional dose of IPV (fIPV) on a large scale. This study aimed to determine the impact of needle-free injectors on vaccin...