ヒトヒト感かん染せん

also: ひとひとかんせん

ヒ

ト

ヒ

ト

か

ん

せ

ん

Meanings

1

human-to-human transmission

Used in medical and epidemiological contexts to describe the spread of a disease directly between people.

Human-to-human transmission of this virus has been confirmed.

ヒトヒト感かん染せんを防ふせぐためにマスクの着ちゃく用ようが推すい奨しょうされる。

Wearing masks is recommended to prevent human-to-human transmission.

感かん染せん
General term for infection; ヒトヒト感染 specifies the route as human-to-human.
飛ひ沫まつ感かん染せん
Droplet infection, a common mode of human-to-human transmission.
接せっ触しょく感かん染せん
Contact infection, another mode of transmission between people.

ヒトヒト感かん染せん
Common katakana spelling for human-to-human transmission, often used in medical and news contexts.
ヒト・ヒト感かん染せん
Variant with interpunct, seen in some publications.
人ひと人ひと感かん染せん
Kanji spelling using 人人; less common and may be confused with other readings.
人ひと・人ひと感かん染せん
Kanji spelling with interpunct; rare and potentially ambiguous.
ひとひとかんせん

Compound of ヒト (human) repeated and 感染 (infection). The repetition indicates 'human-to-human'.