Table 2.

Adverse events after vaccination (both first and second dose).

Adverse event	Flexyn2a (n = 34) Number (%)			Placebo (n = 33) Number (%)
	mild	mod	any	mild	mod	any
Any AEs	14 (41.2)	3 (8.8)	17 (50.0)	8 (24.2)	4 (12.1)	12 (36.4)
Pain/Tenderness at injection site	8 (23.5)	1 (2.9)	9 (26.5)	5 (15.2)	1 (3.0)	6 (18.2)
Erythema/redness at injection site	2 (5.9)	0 (0.0)	2 (5.9)	3 (9.1)	0 (0.0)	3 (9.1)
Induration/swelling at injection site	2 (5.9)	0 (0.0)	2 (5.9)	2 (6.1)	0 (0.0)	2 (6.1)
Headache	4 (11.8)	1 (2.9)	5 (14.7)	6 (18.2)	4 (12.1)	10 (30.3)
Vomiting	1 (2.9)	0 (0.0)	1 (2.9)	2 (6.1)	1 (3.0)	3 (9.1)
Myalgia	2 (5.9)	1 (2.9)	3 (8.8)	0 (0.0)	3 (9.1)	3 (9.1)
Arthralgia	0 (0.0)	0 (0.0)	0 (0.0)	1 (3.0)	1 (3.0)	2 (6.1)
Nausea	3 (8.8)	0 (0.0)	3 (8.8)	0 (0.0)	1 (3.0)	1 (3.0)
Abdominal pain	1 (2.9)	1 (2.9)	2 (5.9)	1 (3.0)	1 (3.0)	2 (6.1)
Chills	2 (5.9)	0 (0.0)	2 (5.9)	1 (3.0)	3 (9.1)	4 (12.1)
Sweats	1 (2.9)	0 (0.0)	1 (2.9)	0 (0.0)	3 (9.1)	3 (9.1)

AE= Adverse event; mod= moderate;%= percent.