10 Hypodermic injection devices for human and veterinary use, namely, jet injectors and electrical jet injectors; delivery systems for vaccines, namely, electrical injectors having a manual back-up or purely manual injectors; needleless injector systems, namely, single use auto-destruct injection cartridges that are pre-packaged for sterile shipping and handling; injector systems, namely, apparatuses for sterile on-site filling; multi-channel injectors; needles and perforators; portable filling and hand operated filling apparatus for loading or filling cartridges for injector systems; holders for injector systems; single cartridge packaging; and injection systems for rapid injection for mass immunizations; and disposable containers for the safe collection and storage of post-injection cartridges