Clinical Research Directory

Inclusion Criteria: * Age ≥ 18 years old for the category marked with \*. * Undergo capillary blood sampling; * Belong to one of the clinical category: * Patient in need of blood transfusion without any pathology known to have an impact on transfusion act\*; * Patient in need of blood transfusion suffering from congenital erythrocyte pathology (sickle cell anaemia, beta thalassemia)\* * Patient in need of blood transfusion suffering from haematology disease (eg. cancer), or undergoing haemodialysis\*; * Patient with cold agglutinin\*; * Premature patient with gestational age \< 37 weeks of newborn ≤27 days old in need of blood transfusion; * Newborn eligible for Guthrie Test; * Newborn eligible for glycemic test. * Have health care insurance; * Have given his/her written consent (or legal representative in case of newborn); Exclusion Criteria: * Pregnant woman; * Person deprived of liberty; * Unconscious person; * Person under guardianship or trusteeship; * For neonatal clinical category: age ≥28 days and \<18 years old.