罹病率

morbidity

病的英语翻译：

ill; sick; malady; affection
【医】 affection; complaint; disease; evil; ill; illness; mal; maladie; malady
malum; morbi; morbus; patho-; sickness; sirupus ferri jodati; vitium

率的英语翻译：

frank; hasty; lead; modulus; quotiety; rash; rate; ratio; usually
【医】 rate
【经】 rater.