infestv.侵扰；猖獗；寄生于Infestation by Siphonaptera蚤目侵染Infestation by Oestrus ovis羊狂蝇侵染Infestation by Haematopinus诺里斯Infestation by crab lice.虱病由阴虱导致的感染Infestation with chiggers.恙螨病由恙螨为传染的病Infestation by Ceratophyllus角叶蚤属侵染Infestation by Pulex irritans人蚤侵染, 扰蚤侵染Infestation by Phthirus pubis阴虱侵染Infestation by Ctenocephalides栉头蚤属侵染infested with various diseases疾病猖獗

1. This high rate of infection is being blamed on the appalling hygiene conditions.
   人们责怪极差的卫生状况造成了如此高的感染率。
2. The rate of infection in humans in control villages fluctuated but remained at baseline levels.
   在未受干预的两个村庄中，人感染率上下波动，但是都维持在一个基本水平。