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Assessment of the incidence and severity of COVID-19 among recently transplanted and previously vaccinated within a period of 12 months.

Grant number: 23/17870-0
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): February 01, 2024
Effective date (End): January 31, 2025
Field of knowledge:Health Sciences - Medicine - Medical Clinics
Principal Investigator:Jose Osmar Medina de Abreu Pestana
Grantee:Julia Soares Reis
Host Institution: Escola Paulista de Medicina (EPM). Universidade Federal de São Paulo (UNIFESP). Campus São Paulo. São Paulo , SP, Brazil
Associated research grant:21/13680-6 - Evaluation of SARS-CoV-2 infection and Coronavirus vaccine response in transplant recipients, dialysis patients, and health workers, AP.TEM


Patients with chronic renal failure on dialysis respond humoral to coronavirus vaccination schedules superior to kidney transplant recipients. It is possible that immunosuppressive medications interfere with the robustness and durability of the responseimmunological. Furthermore, a Chilean study with real-life data, involving more than 50 thousandindividuals, suggested that the durability of the response is influenced by the type of vaccine used, as note that IgG seropositivity was lower after vaccination with CoronaVac versus Pfizer (77.4% versus 96.5%) and declined over time since vaccination with CoronaVac, but not with Pfizer.

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