Study to Assess Seroprevalence of Hepatitis A, Hepatitis B and Bordetella Pertussis in Mexico
Study to Assess Seroprevalence of Hepatitis A, Hepatitis B and Bordetella Pertussis in Mexico
This study will assess the seroprevalence of hepatitis A virus (HAV), hepatitis B virus (HBV)
 and Bordetella pertussis (B. pertussis) in adolescents and young adults in Mexico.
A random sample of subjects constituting adolescents and young adults (≥10 - ≤25 years of
 age) will be selected from the total population that participated in the Encuesta Nacional de
 Salud y Nutrición (ENSANUT) 2012 in Mexico.

 Data (through structured questionnaires and interviews) and stored serum samples of the
 selected subjects obtained from the ENSANUT 2012 will be used in this study. A subset
 database will be designed by the National Institute of Public Health (NIPH) for the purpose
 of this study. Extracted data and laboratory results of the selected subjects will be
 captured in this database.
Inclusion Criteria:

 -  Written informed consent for the ENSANUT 2012 was obtained according to local
 regulations from the subject/ from the parent(s)/ legally acceptable representative
 (LAR) of the subject.

 -  A male or female between and including 10 and 25 years of age, who previously
 participated in the ENSANUT 2012 in Mexico.

 Exclusion Criteria:

 -  Information required for the study is not available or incomplete.

 -  Inadequate or insufficient serum sample to perform the laboratory tests for this
 study.

 -  Serum sample is wrongly identified.