Please select the eligibility criteria that correspond to the clinical trial below.
Title: Impact of Systematic Infants Vaccination Against Rotavirus on Gastroenteritis Hospitalization: a Prospective Study in Brest District, France.
Brief Summary: Universal rotavirus vaccination program for infants born in Brest after February 2007, applied by the Centers for Maternal and Infant Health Protection, pediatricians and general practitioners.

Prospective surveillance of hospitalizations for gastroenteritis within the Pediatric Units of Brest University Hospital with systematic testing for Rotavirus.

Evaluation of the impact of the vaccination program on rotaviral gastroenteritis hospitalizations from 2007-2008 and 2008-2009, by comparison with epidemiological data from 2002-2007 in the absence of vaccination.

The principal judgement criterion is the number of pediatric hospitalizations for rotaviral GEA during the 2008-2009 epidemic in children A) under the age of 2 and B) residing in the suburbs of Brest.


Options:
A: Inclusion Criteria:

* Between 42 and 55 days of age at the time of enrollment.
* Healthy infant free of chronic or serious medical condition as determined by history and physical examination at the time of study enrollment.
* Parents/guardians of each subject are able to understand and follow study procedures and agree to participate in the study by providing parental/guardian permission.

Exclusion Criteria:

* If child has previously had intussusception or abdominal surgery.
* Use of any immunosuppressive drugs or immunoglobulin and/or blood product use since birth or anticipated during study period.
* Current enrollment in any other intervention trial or use of any investigational drug or vaccine throughout the study period.
* Birthweight less than 2000 grams or gestation \< 36 weeks, if this information is available.
* Any subject who reports plan to leave the study area before the completion of the study (i.e., relocation, migration, etc.).
* Another child living in the same compound is already enrolled in the trial (i.e., only one participant can be enrolled per compound).
* After the rotavirus vaccine is introduced into the routine EPI system in Navrongo: Another child in the compound is less than 16 weeks of age.
* The child has received rotavirus vaccine outside of this study.
B: Inclusion Criteria:

* Male or female infants who are at least 6 weeks of age and no more than 14 weeks, 6 days of age at Visit 1.
* Parent(s)/legal guardian(s) have signed informed consent documents.
* Children who will be available for the entire study period and whose parents/legal guardians can be reached by telephone.
* Healthy infants as determined by medical history and by a baseline physical examination with no clinically significant abnormal findings within 14 days before the first dose.
* Parents/legal guardians able to complete all relevant study procedures during study participation.

Exclusion Criteria:

* Any clinically significant history of gastrointestinal disease including abdominal surgery or liver disease or other serious medical conditions as determined by the site investigator.
* Any history of immunodeficiency in the infant (e.g., the infant is known to be human immunodeficiency virus (HIV) positive, to have hypogammaglobulinemia, or to have an underlying malignancy), or any infant with any unvaccinated household contact who is immunocompromised such as:

  * Any malignancies or are otherwise immunocompromised;
  * Primary immunodeficiency; or
  * Receiving immunosuppressive therapy.
* Known sensitivity to any vaccine components, such as latex in the Rotarix® applicator.
* Previous receipt of a rotavirus vaccine.
* Acute illness at the time of vaccine administration, such as any of the following within the past 48 hours:

  1. Axillary temperature of 100.4 degrees Fahrenheit or higher, or
  2. More than 3 grossly watery stools, or
  3. Any episodes of vomiting (forceful expulsion of partially digested milk/food). Infants with previous diagnoses of gastroesophageal reflux whose regurgitation episodes have not changed in the 48-hour period prior to the first vaccination may be enrolled.

If these symptoms clear within 48 hours and the subject meets the other inclusion/exclusion criteria, then the subject may be enrolled.

* The subject is currently participating in a study that involves an experimental agent (vaccine, drug, biologic, device, blood product, or medication) or has received an experimental agent within 1 month prior to enrollment in this study, or expects to receive another experimental agent during participation in this study.
* Less than 37 weeks gestation at birth.
* Receipt of blood and/or blood products (including immunoglobulin) within 4 weeks before vaccine administration.
* Receipt of live vaccine within the past 30 days or a nonreplicating, inactivated, or subunit vaccine within the last 14 days, although planned licensed trivalent inactivated influenza vaccine that may be administered to children over 6 months of age during a routine clinic visit is permitted and would not be exclusionary.
* The subject has any condition that would, in the opinion of the site investigator, place the subject at an unacceptable risk of injury or render the subject unable to meet the requirements of the protocol.
C: Inclusion Criteria:

* Subjects who the investigator believes that their parents/guardians can and will comply with the requirements of the protocol should be enrolled in the study.
* A male or female child between, and including, 5 and 10 weeks of age at the time of the first study vaccination.
* Written informed consent obtained from the parent or guardian of the subject who is of legal age
* Healthy subjects as established by medical history and clinical examination before entering into the study.
* In South Africa, birth weight \> 2000 grams or if weight unknown, gestation period \> 36 weeks.

Exclusion Criteria:

* Use of any investigational or non-registered product (drug or vaccine) other than the study vaccine(s) within 30 days preceding the first dose of study vaccine, or planned use during the study period.
* Concurrently participating in another clinical study, at any time during the study period, in which the subject has been or will be exposed to an investigational or a non-investigational product
* Planned administration of a vaccine not foreseen by the study protocol within 14 days before each dose of study vaccine(s) and ending 14 days after.
* Chronic administration (defined as more than 14 days) of immunosuppressants since birth.
* History of use of experimental rotavirus vaccine.
* Previous routine vaccination except Bacille Calmette-Guérin (BCG), hepatitis B virus (HBV) and oral poliovirus (OPV) vaccination at birth
* Any clinically significant history of chronic gastrointestinal disease including any uncorrected congenital malformation of the gastrointestinal tract, intussusception or other medical condition determined to be serious by the investigator.
* Any confirmed or suspected immunosuppressive or immunodeficient condition based on medical history and physical examination
* History of allergic disease or reaction likely to be exacerbated by any component of the vaccine.
* Acute disease at the time of enrolment.
* Gastroenteritis within 7 days preceding the first study vaccine administration
* Previous confirmed occurrence of rotavirus gastroenteritis (RV GE).
* A family history of congenital or hereditary immunodeficiency.
* Administration of immunoglobulins and/or blood products since birth or planned administration during the study period.
* History of any neurologic disorders or seizures.
* Acute or chronic, clinically significant pulmonary, cardiovascular, hepatic or renal functional abnormality, as determined by physical examination or laboratory screening tests.
D: Inclusion Criteria:

* infants aged 6 to 12 weeks
* born in Brest District, France
* born between Feb 01, 2007 and Nov 19, 2009

Exclusion Criteria:

* contraindication to rotavirus vaccine

Answer: D