1. This is the silent stage when the pathogen has gained entry into the host and starts replicating.

2.It is the time from the onset of nonspecific symptoms until specific symptoms begin to manifest.

3. It is the time when the patient has specific signs and symptoms of an infectious process.'

4. Which stage is the start when the acute symptoms disappear until the patient returns to the normal state of health.

5. This is any place where an infectious agent can survive, grow, or multiply.