w i À w iÀ1 % 7aSI
ð7:20Þ
At the final moment of the first pandemic wave t ¼ t final , Eq. (7.20) yields very
small values of w i À w iÀ1 since S ! S 1 and I ! 0 at infinity. Equations (4.9) and
(4.17) allow us to estimate the corresponding w i À w iÀ1 value more precisely:
Fig. 7.7 Number of new COVID-19 cases reported every week by the WHO African region, [93]
Fig. 7.8 Number of new COVID-19 cases reported every week by the WHO region of the
Americas, [93]
100
7 Comparison of the First Waves of the COVID-19 …
ð7:20Þ
At the final moment of the first pandemic wave t ¼ t final , Eq. (7.20) yields very
small values of w i À w iÀ1 since S ! S 1 and I ! 0 at infinity. Equations (4.9) and
(4.17) allow us to estimate the corresponding w i À w iÀ1 value more precisely:
Fig. 7.7 Number of new COVID-19 cases reported every week by the WHO African region, [93]
Fig. 7.8 Number of new COVID-19 cases reported every week by the WHO region of the
Americas, [93]
100
7 Comparison of the First Waves of the COVID-19 …
