The campaign, sponsored by the World Health Organization as part of its polio eradication efforts, vaccinated 500,000 children, aged 4 – 59 months, over a one-week period in early 2019. Data on acceptability of the PharmaJet Tropis Needle-Free Injection System was collected from 610 vaccinators and 4,898 caregivers. Of those with prior needle and syringe…
