今年はコレラ患者が多発した。

今年はこれら患者が多発した。

There have been many cases of cholera this year.

今年(ことし)はコレラ患者(かんじゃ)が多発(たはつ)した。

Kotoshi wa korera kanja ga tahatsushita.

今年 (ことし、こんねん)

this year

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

虎列剌 (これら、コレラ)

cholera

患者 (かんじゃ)

(a) patient

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

多発 (たはつ)

repeated occurrence

Readings: コン、キン、いま

Meaning: now

Readings: ネン、とし

Meanings: year, counter for years

Readings: カン、わずら.う

Meanings: afflicted, disease, suffer from, be ill

Readings: シャ、もの

Meanings: someone, person

Readings: タ、おお.い、まさ.に、まさ.る

Meanings: many, frequent, much

Readings: ハツ、ホツ、た.つ、あば.く、おこ.る、つか.わす、はな.つ

Meanings: departure, discharge, publish, emit, start from, disclose, counter for gunshots