感染します（かんせんします、kanseんshimasu）
- to get infected

感染します means "to be infected," "to contract an infection," or "to catch a disease." It describes the process of a disease-causing agent (like a virus, bacteria, or parasite) entering and spreading within a person, animal, or even a plant. The subject of the sentence *becomes* infected.

⚫︎ウイルスに感染します。 Translation: I get infected by a virus. ⚫︎風邪に感染します。 Translation: I catch a cold. ⚫︎新型の病気に感染します。 Translation: I contract a new type of illness.

⚫︎You can use 感染します when talking about diseases, viruses, bacteria, or other pathogens that enter a body and cause illness. ⚫︎It's common to use it in medical contexts, news reports about disease outbreaks, or general discussions about health and hygiene. ⚫︎This verb shows a state of being infected, and it implies that the infection is already happening or has happened. ⚫︎Often, the cause of the infection is indicated by a particle such as に (ni, to) or から (kara, from).

⚫︎The verb is typically written in kanji, 感染します. ⚫︎The reading is かんせんします in hiragana. ⚫︎感染 is the noun form, and します is the polite, present/future tense, non-past verb form of "to do" or "to perform." ⚫︎Variations include: ⚫︎感染した (kan-sen shita): "was infected" or "became infected" (past tense). ⚫︎感染しない (kan-sen shinai): "will not be infected" or "is not infected" (negative, present/future tense). ⚫︎感染(kan-sen): "infection" (noun form)

⚫︎罹患（りかん）します (rikan shimasu): "to be affected by," or "to contract an illness" (more formal). ⚫︎かかる (kakaru): "to catch" (a disease). ⚫︎うつる (utsuru): "to be contagious," or "to spread." ⚫︎病気になる (byouki ni naru): "to become ill" (more general).

⚫︎感染しません (kan-sen shimasen): "to not be infected." ⚫︎治る（naoru): "to recover," "to get well." ⚫︎予防する (yobou suru): "to prevent."

コロナウイルスに感染した人が増えています。 ・Translation: The number of people who have been infected with the coronavirus is increasing. ・Explanation: This sentence uses the noun 感染 to describe the state of infection, combined with the past tense auxiliary verb した (shita), which is a common usage.

手洗いをしないと、ウイルスに感染しますよ。 ・Translation: If you don't wash your hands, you will get infected by a virus. ・Explanation: This sentence uses 感染します in a conditional clause, emphasizing the result of not washing one's hands.

⚫︎感染 is a compound word formed from two kanji. ⚫︎感（kan): "to feel," "to sense," or "to be affected." ⚫︎染（sen): "to dye," "to stain," or "to be contaminated." ⚫︎Together, they convey the idea of being affected or stained by something that spreads from outside. The suffix します is added to make it a verb.