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RESEARCH PRODUCT

SARS-CoV-2 and its impact on the cardiovascular and digestive systems – The interplay between new virus variants and human cells

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Since infection with the novel coronavirus SARS-CoV-2 first emerged in Wuhan, China, in December 2019,the world has been battling the pandemic COVID-19. Patients of all ages and genders are now becoming infected with the new coronavirus variant (Omicron) worldwide, and its subvariants continue to pose a threat to health and life. This article provides a literature review of cardiovascular and gastrointestinal complications resulting from SARS-CoV-2 infection. COVID-19 primarily caused respiratory symptoms, but complications can affect many vital organs. SARS-CoV-2 binds to a human cell receptor (angiotensin-converting enzyme 2 – ACE2) that is predominantly expressed primarily in the heart and gastrointestinal tract, which is why we focused on complications in these organs. Since the high ransmissibility of Omicron and its ability to evade the immune system have raised worldwide concern, we have tried to summarise the current knowledge about its development from a structural point of view and to highlight the differences in its binding to human receptors and proteases compared to previous VOC.