伝染病が発生した。の英語

An epidemic disease broke out.

An epidemic has broken out.

an infectious disease

a communicable disease

a contagious disease

It is also infectious.

An epidemic breaks out.

the spread of (a) disease

An epidemic prevails

An epidemic is prevalent.

infection

a viral infection

His condition has taken a sudden turn for the worse.

an incident in which an infectious disease is transmitted

A serious epidemic has broken out in Beijing.

A complication arose [set in].

a contagious disease

His disease has suddenly taken a new turn.

（an） infectious―contagious―catching―taking―（disease）

an infectious carrier

The disease-germs have spread.

an infections disease

a contagious disease

a catching fever

a taking fever

the dissemination of disease-germs

catch the plague

susceptibility to a pathogen

Spread of infection

The disease struck inward.