Table 1.

Global averages for mortality ratio, stringency index, residential mobility, new cases smoothed per million, and compliance on key dates.

Period/event	Date measured	Mortality ratio (%)	Stringency index (%)	Residential mobility (%)	Mean new cases smoothed per million	Compliance with 3-month window (%)
Pandemic status declared	11/03/2020	1.19	26.31	0.90	6.05	NA
Uncertainty period	24/04/2020	6.35	79.78	20.31	15.60	87.80
Beta detected (South Africa)	15/05/2020	3.70	74.29	15.95	14.32	84.43
WHO recommends masks	06/06/2020	1.99	66.96	11.89	20.17	77.94
Delta detected (India)	15/10/2020	0.92	52.88	7.04	83.51	31.51
Start of vaccine rollout/end of 2020	31/12/2020	1.76	56.69	11.56	129.16	37.44
Omicron detected (multiple countries)	15/11/2021	1.09	45.0	1.83	199.01	24.24
End of 2021	31/12/2021	0.36	46.29	5.46	386.21	21.30
Height of omicron	26/01/2022	0.19	48.47	6.3	1157.70	19.85