At the same stage in the epidemic, Covid-19 cases in Hubei and Italy were on a similar trajectory

80,000

10 days after cases exceeded 400, Hubei had 5,806 cases, and Italy 4,636

60,000

40,000

20,000

0

Day 1

10

15

20

25

30

35

40

45

Number of days since cases exceeded 400

80,000

60,000

10 days after cases exceeded 400, Hubei had 5,806 cases, and Italy 4,636

40,000

At the same stage in the epidemic, Covid-19 cases in Hubei and Italy were on a similar trajectory

20,000

0

Day 1

5

10

15

20

25

30

35

40

45

Number of days since cases exceeded 400