Then I fell ill with Chronic Fatigue Syndrome (CFS) and became virtually bed bound.

然后我患上了慢性疲劳综合症，几乎到了卧床不起的地步。

youdao

Results: Mean direct and indirect costs for LBP care are about twice as high for patients with chronic LBP compared to acutely ill patients.

结果：慢性腰痛患者直接和间接医疗费用高出急性病患者2倍。

youdao

Results: the incidence of chronic complications in type 2 diabetes showed an ascending tendency with the increasing of course and age, especially after 40 years old and ill period of 6 to 10 years.

结果：2型糖尿病各并发症发病率随病程、年龄增长而呈上升趋势，此趋势在年龄4 0岁、病程6 ~ 1 0年后尤为明显。

youdao

There is chronic ill health, the headteacher says.

BBC: News | Education | Extra help for gifted pupils divides heads

Currently, health care systems focus primarily on chronic ill health, rather than the preventative measures of living a healthy lifestyle, but this may be the adjustment that both the health care system and insurance companies make as a result of digital health devices.

CNN: Your phone will know you're sick before you do

It talks about research needed on people with chronic exposure to OPs claiming ill health problems.

BBC: News | HEALTH | Sheep dip: The reaction