Table 2.

Number, person-time and hazard ratios for SARS-CoV-2 Omicron infection and severe disease (hospitalisation/death) according to vaccination status.

	SARS-CoV-2 infections from 1 Jan to 4 Mar 2022						SARS-CoV-2 Hospitalisation or deaths from 1 Jan to 10 Feb 2022
	N (events)	Person Years	Adjusted Hazard Ratio*	95 % LCI	95 % UCI		N (events)	Person Years	Adjusted Hazard Ratio*	95 % LCI	95 % UCI
Dose 1	1,316	2,512	1.014	0.958	1.074		88	1,821	1.330	1.060	1.669
Dose 2–0 to 7 days	62	143	0.750	0.584	0.963		6	123	0.978	0.437	2.187
Dose 2–8 to 89 days	10,054	13,984	ref	–	–		507	13,032	ref	–	–
Dose 2–90 to 179 days	101,196	120,169	1.454	1.424	1.484		2,288	100,031	0.914	0.829	1.007
Dose 2 - ≥180 days	8,617	13,252	1.611	1.564	1.658		384	8,327	1.414	1.237	1.617
Dose 3–0 to 7 days	9,129	21,792	0.824	0.801	0.848		184	18,483	0.379	0.319	0.449
Dose 3 - ≥ 8 days	45,475	155,421	0.931	0.910	0.952		656	82,453	0.348	0.309	0.392

*Adjusted for age, sex, socioeconomic status, co-morbidity (see methods for definitions).