Sample Size
Twenty-four (36.4%) of the 66 studies had a sample size greater than or equal to 500, 22 (33.3%) studies had a sample size less than 500, and 7 (10.6 %) studies were part of larger global, regional, or a multinational studies. In addition, 12 (18.2%) of the 66 articles in our review were case reports which included SARS-CoV-2 infected individuals or patients as study participants.