Seroepidemiological Study of Pertussis and Other Infectious Diseases

Seroepidemiological Study of Pertussis and Other Infectious Diseases

Serum samples will be corrected twice from the same youth subjects with one year interval.

Seroincidence of pertussis will be estimated by the elevation of Ig-G-PT in paired sera from an identical individual.

The relationship between the incidence and the demographic data or medical history of the subjects will be discussed.

Inclusion Criteria:

• Students of junior high school, high schools or college in Gifu prefecture
• Students who can have the second blood drawing one year later
• Students (and their parent when students are underage) whose written consent is obtainable.

Exclusion Criteria:

• None