COVID-19 pandemic: The Centers for Disease Control and Prevention announces that the SARS-CoV-2 Alpha variant has become the dominant strain of COVID-19 in the United States.
United States government public health agency
🗓️ April 7, 2021 • 📅 ACF Date: 20210407
The Centers for Disease Control and Prevention (CDC) is the national public health agency of the United States. It is a United States federal agency under the Department of Health and Human Services (HHS), and is headquartered in Atlanta, Georgia.








