予防接種|よぼうせっしゅyobousesshu

1. nounvaccination; inoculation; immunization; immunisation
   ＭＭＲの予防接種よぼうせっしゅは日本にっぽんで受うけていません。↗

   He didn't have MMR shots in Japan.

• Synonym予防注射よぼうちゅうしゃNeutralEmphasizes the injection itself — getting a preventive shot. 「予防接種」 is broader in scope and also covers oral vaccines.
• Synonymワクチン接種ワクチンせっしゅNeutralDirectly names the vaccine and is common in medical and news contexts; 「予防接種」 is the traditional, general term.

For getting vaccinated, 「予防接種」 is the traditional all-purpose term; 「ワクチン接種」 is equally fine and common in medical and news contexts. When the focus is on the shot itself, say 「予防注射」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 感染症かんせんしょうを予防よぼうするために免疫めんえきをつける目的もくてきでワクチンを投与とうよすること。