Table 3.

Summary of unsolicited AEs after any vaccination (overall safety population).

	SII-ChAdOx1 nCoV-19 (N = 1,200) n (%) [E]	Placebo (N = 300) n (%) [E]	AZD1222 (N = 100) n (%) [E]
Any AE within 30 minutes after vaccination	15 (1.3) [16]	4 (1.3) [5]	0
Any AE	352 (29.3) [602]	72 (24.0) [101]	20 (20.0) [32]
Severe	3 (0.3) [3]	1 (0.3) [1]	0
Any treatment-related AE	236 (19.7) [384]	39 (13.0) [50]	0
Any SAE	21 (1.8) [21]	4 (1.3) [4]	2 (2.0) [2]
Related SAE	0	0	0

AE, adverse event; E, number of events; n, participants reporting at least one AE; N, total number of participants in a group; SAE, serious adverse event.