Fig. 1

Time series plots of the confirmed daily infection and death counts for USA and Brazil: (a) The top panel shows the daily infection counts for USA across FW; (b) The second panel shows the USA daily death counts across the FW; (c) the third panel shows the daily infection counts in Brazil across FW; (d) the bottom panel shows the daily death counts in Brazil across the FW. Note, the two countries of USA and Brazil are selected as illustrative examples