Infectious Disease — Important Vocab

______ infection is when an individual is healthy & free of germs until coming across a true pathogen that makes them sick

Primary

________ infection is when another microbe comes along and makes an individual more sick due to already acquired infection.

Secondary

A primary infection does/does not always result in secondary infection?

does not

_____ infections come on rapidly and have short-lived effects.

Acute

_____ infections progress and persist over long periods of time.

Chronic

What are two ways that infections can become chronic?

1) Latency 2) Sequelae

This way an infection can be considered chronic is where the dormant state of infectious agent periodically becomes active and produces recurrent disease. What is it called?

Latency

This way, an infection can be considered chronic if it causes long-term or permanent damage to organs & tissues. What is it called?

Sequelae

____ are objective evidence of disease that can be observed/measured by someone else (i.e. fever, tachycardia, swollen lymph nodes)

Signs

________ are subjective evidence of disease that can be sensed and experienced by the patient (i.e. nausea, fatigue, pain, etc.)

Symptoms