Reactivation of herpesviruses is one of the possible reasons of post-COVID-19

Post-COVID syndrome is "a post-COVID-19 condition that develops in people with a history of probable or confirmed infection with the SARS-CoV-2 virus, usually within 3 months of the onset of COVID-19 and characterized by the presence of symptoms for at least 2 months, as well as the inability to explain them with an alternative diagnosis, according to the WHO definition, Experts believe that about 20–50% of COVID-19 survivors have a Post-COVID Conditions (PCC) clinic. The reasons for the development of PCC are still not founded. Post-COVID syndrome may be associated with long-term persistence of SARSCoV-2, quantitative and qualitative changes in the microbiome/virome, autoimmune reactions, hypercoagulability, endothelial dysfunction, etc More data is accumulating regarding the reactivation of herpesviruses as one of the leading causes of RCC. Most often, the Epstein–Barr virus is considered as a "causal factor". Key words: herpesviruses, post-COVID, Post-COVID Conditions