Objetive: To determine the proportion, relationship and main causes of rejection of blood donors in the Hemotherapy Center of the Regional Teaching Hospital of Trujillo in the context of the COVID-19 pandemic 2020 to 2021. Methods: Research descriptive, retrospective, cross-sectional, in donors who attended the Hemotherapy Center of the Regional Teaching Hospital of Trujillo in the context of the COVID-19 pandemic between March 2020 and March 2021. Data collection was carried out using the care records of the blood bank service applicants. Results: A predominance of the male sex (74.4%), Rh + blood type (97.1%) and blood group “O” (79.4%) was found. Furthermore, the majority of donors had an average age of 33 years, were considered suitable to donate (69.6%), were new donors (66.1%) and replacement donors (95.0%). Likewise, the main causes of refusal to donate blood were a low hemato...

Letter to the Editor (without abstract)