avoyan-hg 1

1. ACTIV SARS-CoV-2 registry (Analysis of Chronic Non-infectious Diseases Dynamics after COVID-19 Infection in Adult Patients). Assessment of impact of combined original comorbid diseases in patients with COVID-19 on the prognosis
2. Clinical features of post-covid period. Results of an international register dynamics analysis of comorbidities in SARS-CoV-2 survivors (ACTIV SARS-cov-2) (12-month follow-up)
1