COVID-19 Updates: Delta Variant, US Vaccinations, & Global Data as of October 20, 2021

Data from the CDC on the Delta variant and US vaccination rates and from the Johns Hopkins COVID-19 interactive map on cases and deaths in the US and worldwide.

How widespread is the Delta variant (B.1.617.2) in the US?

According to early estimates from the Centers for Disease Control and Prevention (CDC), as of October 9, 2021, the SARS-CoV-2 Delta variant made up 99.9% of COVID-19 cases in the United States.

The CDC estimates for the week ending on October 9, 2021, the 5 states with the highest unweighted proportion of new cases attributed to the SARS-CoV-2 Delta variant are:

1. Vermont: 100%
2. Idaho: 99.7%
3. Maine: 99.7%
4. Massachusetts: 99.6%
5. Washington: 99.6%


How many people in the US have been vaccinated against COVID-19?

According to the CDC as of today, October 20, 2021, at 2:55 PM, EDT:

• 66.1% of total US population has received at least 1 dose
• 57.1% of total US population is fully vaccinated

The 5 states/territories with the highest percentage of population fully vaccinated are:

1. Puerto Rico: 72.3%
2. Vermont: 70.6%
3. Connecticut: 70.1%
4. Rhode Island: 70%
5. Maine: 69.9%


How many cases of COVID-19 have been confirmed in the US?

According to the Johns Hopkins COVID-19 interactive map, as of today, October 20, 2021 at 3:21 PM, EDT, there have been:

• 45 184 863 confirmed cases and
• 729 710 deaths

The 5 states with the highest total confirmed cases are:

1. California: 4 833 257
2. Texas: 4 192 153
3. Florida: 3 664 097
4. New York: 2 515 508
5. Illinois: 1 675 793

Deaths: California has the highest number of deaths due to COVID-19 with 71 010 reported fatalities, followed by Texas with 69 323 and Florida with 58 143.

How many cases of COVID-19 have been confirmed globally?

Globally, there have been 241 882 492 confirmed cases, 4 918 709 deaths, and 6 942 520 669 vaccine doses administered.