noun
Salk vaccine
Refers specifically to the inactivated polio vaccine developed by Jonas Salk.
ソークワクチンはポリオの予防に使われる。
The Salk vaccine is used to prevent polio.
Variant with a middle dot; less common but still seen.
From the name of Jonas Salk, the developer of the inactivated polio vaccine, combined with ワクチン (vaccine).