Incubation periods vary, depending on the type of infection. The incubation period is the time between catching an infection and symptoms appearing.
Infection incubation periods
Below are examples of the incubation periods for some infections:
The infectious period is not necessarily the same as the incubation period. With some viruses, such as chickenpox, the person may be infectious before symptoms start to show.
Read the answers to more questions about infections.