… access for most manuscripts on COVID-19. For health professionals, … a COVID-19 confirmation
test, or taking vitamins to decrease the possibility of infection ( 5 5. Llewellyn S. Covid-19: …

Aim Coronavirus disease 2019 (COVID-19) is a novel highly contagious infection caused by
SARS-CoV-2, which has been became a global public health challenge. The pathogenesis …

… foe in the battle against COVID-19 due to it being a prominent source for disease transmission
via droplets and possibly aerosols, it is also apparent that it can be harnessed as a friend …

… coronavirus disease (COVID-19). Therefore, cytokines which usually help the immune system
to fight infections are potentially harmful in the course of COVID-19 … syndrome coronavirus …

The COVID-19 is a novel infectious disease caused by SARS-CoV-2 and is known as a
pandemic emergency that has led to a high rate of mortality throughout the world. Evidence has …

… in order to answer an apparently simple question: Are altitude and COVID-19 friends or foes?
All articles published in PubMed with the search criteria “COVID; altitude; SARS-CoV-2” at …

… from COVID 19 infection. Even if data about the influence of AR on the severity of COVID-19 …
risk of poor COVID-19 prognoses. The clinical manifestation of AR can be distinguished by …

… in COVID-19 patients with severe pneumonia [19]. While there is limited data available
on the role of NK cells in COVID-19 … the immune dysfunction in COVID-19 patients [18,20]. …

… COVID-19 pandemic, caused by the highly transmissible and pathogenic severe acute
respiratory syndrome coronavirus 2 (… to reveal the immunopathology of COVID-19, the key factors …

… of COVID-19; (d) a subset of patients with COVID-19 may have a … is a key contributor to the
COVID-19 pathogenesis (12–17). In … that are underway for the treatment of severe COVID-19. …