Global analysis of daily new COVID-19 cases reveals many static-phase countries including the United States potentially with unstoppable epidemic

Table 1 Classification of the 61 most affected countries according to their trends of daily new cases

Type	Countries
Downward (22)	China1, South Korea1, Spain, Italy, Germany, Iran, Switzerland, Portugal, Austria, Australia, Israel, Denmark, Norway, Czechia, Malaysia, Luxembourg, Thailand, Greece, Croatia, Ireland, Japan, France
Upward (20)	Russia, Brazil, India, Peru, Singapore, Saudi Arabia, Pakistan, Mexico, UAE, Indonesia, Serbia, Ukraine, Qatar, Belarus, Dominican Republic, Egypt, Bangladesh, Morocco, Kuwait, Ecuador
Static-phase (12)2	United States, United Kingdom, Belgium, Netherlands, Poland, Sweden, Chile, Romania, Algeria, Moldova, Canada, Philippines
Uncertain (7)	Turkey, Panama, Finland, Colombia, South Africa, Argentina, Hungary

¹China and South Korea have reached an ending state with minimal daily new cases (refer to Figure S1A).

²Of the 12 static-phase countries as judged by the data as of April 19, 2020, newly released data as of May 3, 2020 (Figure S5) suggest that: (1) Daily new cases in some countries (shown in bold; e.g., the United States and United Kingdom) were still constant; (2) Canada and Philippines that had previously been close to static-phase were now confirmed to be in static-phase; and (3) Belgium and Netherlands showed some tendency to decline in daily new cases while Chile showed a sudden increase in the past few days. As of June 15, 2020, daily new cases of the United States, Poland, and Sweden have not yet significantly declined.