The bifurcated needle, first employed in 1968, has a forked needle which was dipped into the smallpox vaccine. The skin was then pricked rapidly about 15 times. This needle proved to be a revolutionary device. A single vaccinator could perform as many as 1500 innoculations during a single day.
Publisher
World Health Organization
Right
Used with permission of the World Health Organization, 14 April 2014.
