Voluntary Donors: These donors donate blood without expecting any monitory or non-monitory benefits. They donate blood mostly on humanitarian grounds. The development of Blood Transfusion Services should base on voluntary and non-remunerated blood transfusion

Replacement Donors: Usually these donors may be the relatives or friends of the patient, who donate blood as replacement for units issued from blood bank.

Professional Donors: Remunerated based blood donation is done by blood sellers, who conceal the facts about their health and diseases that they may carry. They may be potential carriers of disease like AIDS, syphilis, Hepatitis etc. It is not safe blood and could be hazardous to the recipient. It should not be encouraged and should be stopped.

Selection of Blood Donors:

In order to protect the donor as well as the recipient, each blood donor must be screened prior to each blood donation by Medical History and Physical examination followed by laboratory testing.

Criteria for Blood Donation