because of illness
Я не смог прийти на встречу из-за болезни.
I couldn't attend the meeting because I was ill.
Мы просто скажем, что одна из нас умерла из-за болезни.
We'll just say that one of us died from an illness.
— Цветы войны (2011)
У Тома не было аппетита из-за болезни.
Tom had no appetite because of his illness.
He is absent due to illness.
Она не смогла прийти из-за болезни.
She couldn't come because she was ill.
Он не смог прийти из-за болезни.
He couldn't come because of illness.
Похоже, из-за болезни вы разучились считать.
It seems that due to your illness you have forgotten how to count.
— Нашествие варваров (2003)
Из-за болезни я не смог уехать за границу.
Due to illness, I was unable to travel abroad.
Этот мальчик не пошел вчера в школу из-за болезни.
This boy didn't go to school yesterday because he was sick.
Я устал из-за болезни и работы.
I'm tired because of illness and work.