Background: The progression of COVID-19 has different clinical presentations, which raises a number of immunological questions.
Objectives: This study aimed to investigate MMP-9 and TIMP-1 levels in patients diagnosed with COVID-19 and whether the MMP-9/TIMP-1 ratio is associated with lung involvement in COVID-19.
Methods: This study was conducted with 192 patients and 45 healthy controls.
Coronavirus disease 2019 (COVID-19) is a global health problem caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). SARS-CoV-2 infection may present with clinical pictures ranging from asymptomatic or mild forms to respiratory failure requiring intensive care follow-up and mechanical ventilation. The course of this disease with different clinical presentations raises many immunological questions.
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