TABLE 2.

R₀ estimated in the models of increasing and decreasing phases based on mortality data and confirmed cases of coronavirus 2019 up to 29 April 2020

Country	Confirmed cases			Deaths
	n	R0 before	R0 after	n	R0 before	R0 after
USA	1 551 853	3.6 (3.4–3.8)	0.97 (0.94–1.00)	93 439	3.2 (2.7–3.7)	0.89 (0.84–0.94)
UK	248 818	2.1 (1.8–2.3)	0.99 (0.96–1.02)	35 704	2.6 (2.4–2.9)	0.85 (0.80–0.90)
Italy	227 364	2.2 (2.0–2.4)	0.89 (0.87–0.91)	32 330	3.7 (3.1–4.4)	0.81 (0.79–0.84)
France	143 845	2.0 (1.8–2.1)	0.76 (0.72–0.82)	28 132	2.7 (2.4–3.0)	0.77 (0.73–0.80)
Spain	233 286	2.2 (2.1–2.4)	0.74 (0.71–0.78)	27 888	3.2 (2.4–4.1)	0.78 (0.73–0.82)

Data are presented as R₀ (95% CI).