What is the primary reason residents may be infected without showing symptoms?

Residents may be infected without showing symptoms primarily because they might carry the infection asymptomatically. This means that the virus or bacteria is present in their system, but their immune system is managing it effectively enough that no visible signs or symptoms manifest. This is particularly relevant in the context of certain infections, where individuals can transmit the pathogen to others despite feeling fine themselves.

While treatment can sometimes alleviate symptoms, it doesn’t ensure the absence of infection. Standard precautions are essential, but lapses in these practices can lead to infection spread regardless of symptom presentation. Isolation is a measure taken to prevent further exposure, but residents can still be carriers of the infection even in isolation, not necessarily reflecting their symptomatic status. Understanding asymptomatic infections is crucial in managing health and safety in healthcare settings.