Table 2.

Race and Ethnicity Representation in Selected pandemic H1N1 influenza Phase 2 Vaccine Clinical Trials.

Vaccine Tested	Sanofi-Pasteur UD12415	IIV3	2011 Consensus [13]
Study	Chen et al. [22]	Frey et al. [23]
No. Participants	N = 406	N = 805
Age Range (years)	18–64 ≥65	18–64 ≥64
Race, No. (%)
White	369 (91)	734 (91)	227,167,013 (74)
Black, African American	20 (5)	44 (5)	38,395,857 (13)
Asian	6 (1)	12 (1)	14,497,185 (5)
American Indian, Alaska Native	0 (0)	201 (<1)	2,502,653 (<1)
Native Hawaiian/Pacific Islander	0 (0)	1 (0)	500,592 (<1)
Multiracial	11 (3)	8 (1)	1,846,491 (<1)
Unknown	0 (0)	6 (1)
Ethnicity, No. (%)
Hispanic/LatinX	6 (<1)	32 (4)	49,215,563 (16)

IIV: inactivated influenza vaccine.