“…Our knowledge has expanded on the pathogenesis and treatment of COVID-19 and experience gained within different countries, and this is reflected in the enormous number of scientific papers generated, including those in this Special Issue. There have been 24 papers published upon peer review acceptance in this Special Issue, including 17 research papers [ 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 ], 2 review papers [ 20 , 21 ], 1 opinion piece [ 22 ], 1 commentary [ 23 ], and 3 systematic reviews [ 24 , 25 , 26 ]. Each paper in this Special Issue contributes to our understanding of COVID-19.…”