that many infected people were not detected. For example, in Ukraine there were no
proper PCR testing (this country started to test the pneumonia patients and the
medical staff only after April 10, 2020).
Fig. 3.3 Synchronized data sets for Ukraine and its neighboring countries versus time in days
starting with the day when the first COVID-19 case was confirmed (linear scale)
Fig. 3.4 Synchronized data sets for Ukraine and its neighboring countries versus time in days
starting with the day when the first COVID-19 case was confirmed (logarithmic scale)
3 Comparisons of the Early Stages of the COVID-19 …
21
proper PCR testing (this country started to test the pneumonia patients and the
medical staff only after April 10, 2020).
Fig. 3.3 Synchronized data sets for Ukraine and its neighboring countries versus time in days
starting with the day when the first COVID-19 case was confirmed (linear scale)
Fig. 3.4 Synchronized data sets for Ukraine and its neighboring countries versus time in days
starting with the day when the first COVID-19 case was confirmed (logarithmic scale)
3 Comparisons of the Early Stages of the COVID-19 …
21