Table 3.

Hospitalisations (WHO score >= 4) by SARS-CoV-2 lineage and WHO clinical progression score.

		ChAdOx1 nCoV-19				Control
WHO clinical progression score		4	5	6	10	4	5	6	10
Secondary cases (>21 days after dose 1, <15 days after dose 2)	Undetermined/no swab	0	0	0	0	1	2	0	1
	B.1.1.33	0	0	0	0	1	0	0	0
	P.1 (Gamma)	0	0	0	0	1	0	0	0
	Total	0				6
Primary cases  > =15 days after dose 2	Undetermined/no swab	0	1	0	0	3	3	4	1
	B.1.1.28	0	0	0	0	0	3	1	0
	P.1 (Gamma)	0	0	0	0	0	1	0	0
	P.2 (Zeta)	0	0	0	0	1	0	1	0
	Total	1				18
		VE 95% (95% CI 61%, 99%)

^*Undetermined lineage are those where a lineage could not be assigned due to low viral load or degraded RNA.

4 = Hospitalised; no oxygen therapy, 5 = Hospitalised; oxygen by mask or nasal prongs, 6 = Hospitalised; oxygen by NIV or high flow, 10 = dead.