Fig. 8.3 Pandemic dynamics in the UK versus time in days. Accumulated number of cases
(V j and w j —“circles”; smoothed values—line, Eq. (8.1)). “Triangles” show the first derivative
(Eqs. (8.2) and (8.4)) multiplied by 100, “stars”—the second derivative (Eqs. (8.3) and (8.5))
multiplied by 1000
Fig. 8.4 Pandemic dynamics in USA versus time in days. Accumulated number of cases (V j and
w j —“circles”; smoothed values—line, Eq. (8.1)). “Triangles” show the first derivative (Eqs. (8.2)
and (8.4)) multiplied by 100, “stars”—the second derivative (Eqs. (8.3) and (8.5)) multiplied by
1000
8 Identification of the New Waves of the COVID-19 Pandemic
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