感染者(かんせんしゃ)

かんせんしゃ
noun
infected person; patient with an infection
1. infected person; patient with an infection
A person who has contracted a contagious disease, especially a viral or bacterial infection. Standard term in medical and public health reporting.
感染者(かんせんしゃ)が増加(ぞうか)している。
The number of infected people is increasing.
感染者(かんせんしゃ)との接触(せっしょく)を避(さ)けてください。
Please avoid contact with infected persons.
新規(しんき)感染者数(かんせんしゃすう)は先週(せんしゅう)より大幅(おおはば)に減(へ)った。
The number of new infections fell significantly from last week.

Became part of everyday vocabulary during the COVID-19 pandemic. The compound is 感染(かんせん) (infection) + 者(しゃ) (person).

COMMON COLLOCATIONS:

  • 新規(しんき)感染者(かんせんしゃ): new infections (newly reported cases)
  • 感染者数(かんせんしゃすう): number of infected people
  • 感染者(かんせんしゃ)が出(で)る: an infection case appears
  • 濃厚(のうこう)接触(せっしょく)者(しゃ): close contact (of an infected person)

SIMILAR WORDS:

  • 患者(かんじゃ): patient — broader; includes all illnesses, not just infectious
  • 陽性者(ようせいしゃ): a person who has tested positive
  • 発症者(はっしょうしゃ): a person showing symptoms (vs. asymptomatic carrier)
general
Added 2026.5.30 12:11
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