Made available in DSpace on 2022-04-28T19:43:29Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01; Background: Kidney transplant recipients have higher COVID-19 associated mortality compared to the general population. However, as only symptomatic patients seek medical attention, the current level of exposure, the main sources of acquisition, and the behavior of humoral immunity over time are poorly u...