Assertion: condition's system | /r/HasProperty | immune
Facets:
Source sentences:
text: An underlying health condition is a chronic or long-term illness, which in turn weakens the immune system.
text: Underlying chronic health conditions such as heart disease, diabetes and lung disease can affect the immune system.
text: This can be coupled with an underlying health condition, putting their immune system under increased pressure.
text: This can be coupled with an underlying health condition, putting their immune system under increased pressure.