This case-sensitive code system http://fhir.ch/ig/ch-vacd/CodeSystem/ch-vacd-basic-immunization-cs defines the following codes:

Code	Display
bi-dtpa	Received all vaccinations against DTPa in childhood.
bi-polio	Received all vaccinations against poliomyelitis in childhood.

Additional Language Displays

Code	Deutsch (Schweiz) (German (Switzerland), de)	English (United States) (English (United States), en)	French (Switzerland) (fr)	Italian (Switzerland) (it)	rm
bi-dtpa	Alle Impfungen gegen DTPa in der Kindheit erhalten.	Received all vaccinations against DTPa in childhood.	Avoir reçu tous les vaccins contre le DTPa dans l'enfance.	Ha ricevuto tutte le vaccinazioni contro la DTPa durante l'infanzia.	Ha obtegnì tut las vaccinaziuns cunter la DTPa durant l'uffanza.
bi-polio	Alle Impfungen gegen Poliomyelitis in der Kindheit erhalten.	Received all vaccinations against poliomyelitis in childhood.	Avoir reçu tous les vaccins contre la poliomyélite dans l'enfance.	Ha ricevuto tutte le vaccinazioni contro la poliomelite durante l'infanzia.	Ha obtegnì tut las vaccinaziuns cunter la poliomielitis durant l'uffanza.