1. Centers for Disease Control and Prevention (CDC). Recommended immunization schedule for adults aged 19 years or older, United States, 2018. Last updated February 6, 2018. Available at https://www.cdc.gov/vaccines/schedules/hcp/imz/adult-compliant.html [accessed 02.21.18].
2. Hung MC, Williams WW, Lu PJ, et al. Vaccination coverage among adults in the United States, National Health Interview Survey, 2016. Last updated February 8, 2018. Available at https://www.cdc.gov/vaccines/imz-managers/coverage/adultvaxview/NHIS-2016.html [accessed 02.21.18].
3. Surveillance of vaccination coverage among adult populations – United States, 2015;Williams;MMWR Surveill Summ,2017
4. Racial and ethnic disparities in vaccination coverage among adult populations in the U.S.;Lu;Am J Prev Med,2015
5. Trends in racial/ethnic disparities in influenza vaccination coverage among adults during the 2007–08 through 2011–12 seasons;Lu;Am J Infect Control,2014