Incubation Period

1. The Incubation Period is the period from entry of infection to the appearance of first symptoms.

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(Source: Business Continuity Management Institute - BCM Institute)

A Manager’s Guide to Implementing Your Infectious Disease Business Continuity Plan

A Manager’s Guide to ISO 22301 Standard for Business Continuity Management System

2. The incubation period is the time from exposure to an infectious disease to symptom onset. The incubation period for seasonal influenza averages two days, but can vary from one to four days.

(2006, Vermont Department of Health. Pandemic Influenza Preparedness and Response Plan)