vaccine
Medical and everyday noun for a vaccine, especially in phrases such as ワクチンを接種する and ワクチンを打つ.
from German Vakzin
I got a flu vaccine.
They are studying the effectiveness of the new vaccine.
Computing use by analogy with a medical vaccine; often clearer today as ウイルス対策ソフト or ワクチンソフト.
In older manuals, antivirus software is sometimes called a “vaccine.”
They administered the COVID-19 vaccine to elderly people.
A vaccine's side effects can include a fever.
This vaccine's effectiveness is said to last about six months.
I got vaccinated at a hospital in my neighborhood.
combination vaccine; combined vaccine; mixed vaccine