The invention relates to a kit, to a use, and to a method for producing a vaccine for immunizing against porcine circovirus disease and/or enzootic pneumonia of pigs, wherein a first container is filled only partially with a first vaccine and a second container is filled with a second component, wherein the second vaccine is transferred into the first container by means of an adapter device by penetrating a closing device for the first time and/or one time only and the vaccine is produced in the first container, which enables a simple, less error-prone and more hygienic operation with reduced material use.