Study never started.

(Bio)medical research, particularly immunological, metabolic, transcriptional or biological assays, occasionally require the use of fresh blood (peripheral mononuclear cells) or urine. In order to comply with international guidelines for Good Clinical Practice, the investigators propose to establish a Mini Donor Bank to be able to obtain fresh blood or urine from voluntary donors. Recruitment of volunteers will be a continuous process. Volunteers will consent to occasional blood- or urine donation.

Inclusion Criteria:

1. Subject is aged ≥ 18 and ≤ 65 years and in good health.
2. Subject has adequate understanding of the procedures of the study.
3. Subject is able to communicate well with the investigator.
4. Subject has signed informed consent.
5. Subject refrains from donation to the Sanquin blood bank.

Exclusion Criteria:

1. Previous vasovagal collapse during venepuncture.
2. For female participants: pregnancy or lactation.
3. Presence of any chronic systemic condition, which could compromise the health of the volunteer when performing venepuncture or interfere with the interpretation of immunological or metabolic test results.
4. Chronic use of immunosuppressive drugs.
5. Total blood volume donated exceeding >500 mL in the past 4 months.

Healthy human volunteers