<https://www.whitehouse.gov/briefing-room/presidential-actions/2021/04/30/a-proclamation-on-the-suspension-of-entry-as-nonimmigrants-of-certain-additional-persons-who-pose-a-risk-of-transmitting-coronavirus-disease-2019/#webpage>
<http://schema.org/description>
"The national emergency caused by the coronavirus disease 2019 (COVID-19) outbreak in the United States continues to pose a grave threat to our health and"
<https://www.whitehouse.gov/briefing-room/presidential-actions/2021/04/30/a-proclamation-on-the-suspension-of-entry-as-nonimmigrants-of-certain-additional-persons-who-pose-a-risk-of-transmitting-coronavirus-disease-2019/?utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz--ycvZO747OmHKJZVS60lB1tzYPrY8Pt54WpdN1krjhfOYkAGgb1iv7WWWdEvB-Qj3_3IK2>