Hand, foot, and mouth disease information sheet. World Health Organization. http://www.wpro.who.int/emerging_diseases/hfmd.information.sheet/en/. Updated 2018. Accessed November 2019.
Center for Disease Control and Prevention. Hand, foot, and mouth disease (HFMD). https://www.cdc.gov/hand-foot-mouth/. Updated February 22, 2019. Accessed November 2019.