|Notify your local health
department or the Illinois Department of Public Health immediately of a suspected or confirmed case of
smallpox. Report a suspected or confirmed case of adult (20 years or older)
chickenpox within 24 hours and suspected or
confirmed cases of chickenpox in a child (up to 19 years of age)
within seven days to the local health
- Incubation period is between seven and 17 days after close contact with a
- Malaise, fever, rigors, vomiting, headache and backache precede the rash by
two to three days.
- The pocks are most numerous on the face, arms and legs.
- Pocks are usually present on the palms and soles.
- The rash occurs at the same time, with lesions on any one part of the body
in the same stage of development.
- Scabs that can be infectious begin to form 10 to 14 days after the rash
- Scabs fall off 14 to 28 days after the rash begins.
- Pocks are buried deep in the dermis.
- Vesicles do not collapse on puncture.