There is lowered pain tolerance, lowered resistance to infection.

对痛苦的忍耐力和对感染的抵抗力下降了。

《柯林斯英汉双解大词典》

AIDS lowers the body's resistance to infection.

艾滋病降低了身体的抗感染能力。

《牛津词典》

It is particularly important for healthy skin and is essential for a healthy immune system and resistance to infection.

尤其重要的是健康的皮肤，对于健康的免疫系统和抗感染。

youdao

Problems eating solids can lead to malnutrition and secondary problems such as reduced resistance to infection and pressure sore risk.

BBC: Princess Margaret: The medical care

Overprescribing of antibiotics can lead to bacterial infection resistance.

BBC: Antibiotics 'ineffective for coughs'

To date, the CDC has not found any incidence of Influenza A or B resistance to the two main anti-viral medications given to patients within the first 48 hours of infection: oseltamivir and zanamivir.

FORBES: Why the Flu Is So Dangerous This Year, and Why It Could Get Worse