勝手に水質検査を行ったあげく浄水器を売りつけるなど、悪質な訪問販売が多発しています。

tbd

There are frequent instances of malicious door-to-door selling, such as pushing water purifiers on people after carrying out water quality tests without permission.

暴力や脅しによって金品を奪い去る事件も多発している。

tbd

Also many incidents of robbery by threats and violence are occurring.

今年はコレラ患者が多発した。

tbd

There have been many cases of cholera this year.