immunizes against disease immunizes against pathogen Streptococcus pneumonia Streptococcus pneumoniae Pneumococcal vaccine foreign to USA A pneumococcal vaccine manufactured outside of the U.S. Oliver He This term was used by the USA VAERS system to indicate the source, which is foreign to USA here, of the vaccine. http://vk.ovg.ox.ac.uk/ppv Kallan Roan vaccine vaccine foreign to USA licensed human streptococcus pneumoniae vaccine