Table 1.

Distribution of policy stringency categories, by days from the start of COVID-19 epidemic.

Policy	Days from the start of COVID-19 epidemic
	Day 0		Day 10		Day 27
	Number of countries	%	Number of countries	%	Number of countries	%
International Travel: Screening	14	31.8	5	8.2	2	2.9
International Travel: Quarantine	9	20.5	11	18.0	5	7.1
International Travel: Ban	21	47.7	45	73.8	63	90.0
Total	44	100.0	61	100.0	70	100.0
Cancel public events: recommended	1	4.2	6	10.3	1	1.4
Cancel public events: required	23	95.8	52	89.7	70	98.6
Total	24	100.0	58	100.0	71	100.0
School closing: recommended	0	0.0	0	0.0	1	1.4
School closing: required	22	100.0	51	100.0	69	98.6
Total	22	100.0	51	100.0	70	100.0
Workplace closing: recommended	8	72.7	13	38.2	16	27.6
Workplace closing: required	3	27.3	21	61.8	42	72.4
Total	11	100	34	100	58	100
Public transportation closing: recommended	1	25.0	4	21.1	12	29.3
Public transportation closing: required	3	75.0	15	79.0	29	70.7
Total	4	100.0	19	100.0	41	100.0
Restriction of internal movement: recommended	3	30.0	10	24.4	11	18.6
Restriction of internal movement: required	7	70.0	31	75.6	48	81.4
Total	10	100	41	100	59	100