集しゅう団だん接せっ種しゅ

noun

mass vaccination

Refers to vaccinating a large group of people at once, often in a public health campaign.

• 市しは新しん型がたインフルエンザの集しゅう団だん接せっ種しゅを実じっ施しした。

  The city carried out mass vaccination against the new strain of influenza.