Assertion: pneumonia's system | /r/HasProperty | weakened
Facets:
Source sentences:
text: Although the bacteria can normally be found in the nose and throat of healthy individuals, it can grow and cause infection when the immune system is weakened.
text: Pneumonia in the elderly as well as younger people occurs when a person’s immune system is weakened.
text: Pneumonia is a common cause of death among elderly people and young children whose immune systems are weakened or impaired in some way.