Frequently Asked Questions about COVID-19
A novel coronavirus (SARS-CoV-2) that causes COVID-19 first emerged in Wuhan, China in December 2019. Cases have been detected in most countries worldwide, and on March 11, 2020, the World Health Organization characterized the outbreak as a pandemic. Human-to-human transmission occurs through close contact.
Note: Information about COVID-19 can change rapidly. View the latest information on COVID-19 from the Centers for Disease Control and Prevention (CDC).
Stop the Spread
December 2021 survey assessing US Black adult (age 18-49 years) knowledge and attitudes toward influenza (flu) and COVID-19 vaccination