… As expected by many, we are now observing an increase of COVID-19 cases in many …
number of cases around March 2020 followed by a profound decay in the number of cases after …

… of mutated coronavirus, we show the temporal variations of daily COVID-19 cases and deaths
in … of the maximum number of cumulative cases as of April 19, 2021. Among the countries …

… potentially associated with COVID-19 or suspicion of close contact with a positive case.
Overall, there were no significant difference in cases demographics between the two waves. …

… the changing progression of COVID-19 cases to deaths in different waves of the pandemic.
… ’s COVID-19 time series into a first wave and subsequent period. Next, offsets between case …

… epidemiology of COVID-19 cases between February 2020 and June 2020,2 this study
aimed to compare the epidemiological features of the first and second waves of COVID-19 in …

… a more severe second wave of the COVID-19 pandemic than … to balance controlling COVID-19
transmission with ensuring … wave or phase as a rising number of COVID-19 cases with a …

… We compared the two COVID-19 waves within Italy, where … the COVID-19 incidence was
uneven during the first wave of the … of the official case counts during the first and second wave of …

… the severity and characteristics of the first and second waves in Japan. … cases from 327
facilities were included in the analysis: 3833 and 1361 cases from the first and second waves, …

… cases as well as COVID-19 deaths (52). Since many uncertainties still exist about the real
impact and severity of COVID-19 … an assessment of the COVID-19 case-fatality and infection-…

… The approach is then to learn the values of R 0 P r e and R 0 P o s t from the daily data on
the number of new cases of COVID-19 using the two-stage SEIR model. Parameter learning is …