Table 1.
Donor Screening.
| Initial Screening | Potentially Transmittable Disorder Risk Assessment Questionnaire |
|---|---|
| Secondary screening | Blood and feces tests |
| Hepatitis A (IgM for hepatitis A, total antibodies) | |
| Hepatitis B (total core antibody, surface antigen and surface antibody for hepatitis B) | |
| Hepatitis C (HCV antibody test) | |
| Entamoeba histolytica (test through dipstick and agglutination) | |
| Treponema pallidum (TPHA) | |
| HIV (type I and type II) | |
| Virus Epstein–Barr (viral capsid antigen for IgG and IgM, anti Epstein–Barr virus nuclear antigen) | |
| Cytomegalovirus (IgG, IgM) | |
| Human T-lymphotropic virus type I and type II | |
| Bacteriological and parasitological evaluation (PCR or triple feces test) | |
| Clostridioides difficile test (toxin ELISA, PCR or culture) | |
| Strongyloides stercoralis (ELISA) | |
| Screening one day prior the donation | In addition to questions regarding stool frequency and pattern, antibiotic use, travel history and recent sexual behavior, the questionnaire also inquires about general health. |