TABLE 2. COVID-19 vaccination coverage among aides,* by selected social vulnerability metrics and tertile — United States, March 1–April 4, 2021.

Social vulnerability metric	Vulnerability tertile, no. vaccinated/total (%)
	Higher	Moderate	Low
Percentage in racial/ethnic minority group†	2,794/6,416 (43.5)	2,379/5,056 (47.1)	605/1,198 (50.5)
Median income§	1,245/3,072 (40.5)	1,843/4,005 (46.0)	2,690/5,593 (48.1)
Percentage living in poverty¶	1,865/4,397 (42.4)	1,705/3,783 (45.1)	2,208/4,490 (49.2)
Percentage without high school diploma**	1,577/3,739 (42.2)	1,997/4,460 (44.8)	2,204/4,471 (49.3)

* Certified nursing assistants, nurse aides, medication aides, and medication assistants.

^† Higher vulnerability tertile: zip code areas with >17.4% persons belonging to racial/ethnic minorities; moderate: 17.4%–96.0%; low: <4.0%.

^§ Higher vulnerability tertile: zip code areas with household median income ≤$48,770; moderate: median income >$48,770 through ≤64,741; low: median income >$64,741.

^¶ Higher vulnerability tertile: zip code areas with >15.5% of households living under the federal poverty line; moderate: 15.5%–8.1%; low: ≤8.0%.

** Higher vulnerability tertile: zip code areas with >13.6% of persons aged ≥25 years without a high school diploma or equivalent; moderate: 13.6%–6.9%; low: <6.9%.