The article analyzes publications considering motivation of plasma donors by factors related to ethical and socio-economic aspects. Their detailed analysis and systematical consideration in the work contributes into more effective informing of new potential donors, improving recruitment and retention of donors. The detailed analysis established among causes of negative beliefs and negative experiences regarding donorship such factors as increased risk of infectious diseases, decreased vitality, vaso-vagal reactions and reduced iron content. It is demonstrated that experienced plasma donors try to maintain practice of donorship in conditions of intensive life activity, often applying flexible approach to frequency of plasma donation. Their knowledge about contribution that their donation makes is key factor in continuing donation. However, the COVID-19 pandemic developed additional obstacles to donorship due to state preventive measures and increased personal health risks. In order to develop donorship policy during pandemic in the future, it is important to study changes in motivation of donors during pandemic.