Introduction. Peru was one of the countries most affected by the COVID-19 pandemic, with more than 220,000 deaths recorded due to SARS-CoV-2 infection. Given the constant mutations of the virus and registered variants, it is important to carry out research that reflects the evolution of the humoral immune state. Objective. Measure the seroprevalence of COVID-19 during the pandemic in the department of Lima in the period between April 1, 2020 and June 30, 2022, in donor samples from 6 hospital blood banks public of Lima, Peru. Methods. A descriptive, transversal, observational and retrospective study was carried out evaluating the presence of IgM/IgG antibodies against SARS-CoV-2 using lateral flow chromatographic immunoassay in samples from healthy and asymptomatic donors from blood banks of 6 health facilities in the department of Lima. Results. A progressive increase in the seroprevale...

Background: Sociodemographic and sociocultural factors influence blood donation in various countries, our objective of study was to determine what are the factors that influence blood donation in Peru. The study: An observational, crosssectional study was conducted in people between 18 and 60 years at the national level, the data were analyzed using SPSS v.20 Findings: The study sample was 739 people, 50.4% men; It was determined that there is good knowledge about blood donation with a percentage greater than 50% of questions answered correctly, likewise there is a positive attitude towards blood donation Conclusions: The sociocultural factors that influence blood donation is ignorance, 40% of the participants do not know the basic requirements to be a blood donor, another factor is the false belief. because they are taking medication, they cannot donate blood (47%).

Background: Sociodemographic and sociocultural factors influence blood donation in various countries, our objective of study was to determine what are the factors that influence blood donation in Peru. The study: An observational, crosssectional study was conducted in people between 18 and 60 years at the national level, the data were analyzed using SPSS v.20 Findings: The study sample was 739 people, 50.4% men; It was determined that there is good knowledge about blood donation with a percentage greater than 50% of questions answered correctly, likewise there is a positive attitude towards blood donation Conclusions: The sociocultural factors that influence blood donation is ignorance, 40% of the participants do not know the basic requirements to be a blood donor, another factor is the false belief. because they are taking medication, they cannot donate blood (47%).