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- The Vaccine Program Gun is a weapon from the Micromaster Collection portion of the Generation One continuity family.
Micromaster Collection story
Sireen developed the Vaccine Program Gun, basing it on the cure he and Joe developed for the Reverse Evolution virus. When Sixliner fired it at Sixwing, however, not only did the weapon fail to work as intended, but it had the unexpected effect of turning Sixwing into Berserker Sixwing, powering him up and having no apparent effect on his behavior.