感 染 率(かんせんりつ)

かんせんりつ

noun

infection rate

1. infection rate

The proportion of a population that becomes infected with a disease, usually given as a percentage. Also used of computer viruses spreading through a network.

感染率(かんせんりつ)が下(さ)がってきた。

The infection rate has been coming down.

この地域(ちいき)は感染率(かんせんりつ)が全国(ぜんこく)平均(へいきん)より高(たか)い。

The infection rate in this area is higher than the national average.

手洗(てあら)いと換気(かんき)を続(つづ)けたことで、学校(がっこう)での感染率(かんせんりつ)を低(ひく)く抑(おさ)えることができた。

By keeping up handwashing and ventilation, we were able to hold the infection rate at the school down.

感染(かんせん) (infection) + 率(りつ) (rate). Became everyday news vocabulary during the COVID-19 pandemic.

Common collocations

感染率(かんせんりつ)が高(たか)い: to have a high infection rate
感染率(かんせんりつ)を下(さ)げる: to bring the infection rate down
感染率(かんせんりつ)の推移(すいい): the trend in the infection rate

Similar words

感染者数(かんせんしゃすう): number of infected people — a raw count rather than a proportion
致死率(ちしりつ): fatality rate — the proportion of infected people who die

Related Words

Compare: 感染者数(かんせんしゃすう) (number of infected people)

Compare: 致死率(ちしりつ) (fatality rate)

Compare: 接種率(せっしゅりつ) (vaccination rate)

general

Added 2026.7.26 21:19 · Revised 2026.9.2 13:02

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