

 
 INSIGHTi  
COVID-19 Vaccination: Selected U.S. Data 
Sources 
Updated February 15, 2022 
The sources below can help congressional staff track the progress of the U.S. Coronavirus Disease 2019 
(COVID-19) vaccination campaign at the national, state, and local levels. 
Sources were selected for having commonly cited and frequently requested data. This list is not intended 
to be comprehensive. Because different resources use different methodologies, readers should check 
websites’ notes and caveats, and use caution when comparing data. For help interpreting or analyzing 
these data, congressional staff should contact CRS (202-707-5700, or place an online request). 
For an overview of considerations for Congress, see CRS Report R47024, Immunization Information 
Systems: Overview and Current Issues and CRS Insight IN11584, Tracking COVID-19 Vaccines: U.S. 
Data Systems and Related Issues. For international sources, see CRS Insight IN11732, International 
COVID-19 Data and Vaccine Distribution: Selected Resources. 
Centers for Disease Control and Prevention’s (CDC’s) Vaccines for COVID-19 can assist constituents 
with questions about the vaccines. 
Example sources on public attitudes toward vaccination include CDC’s National Immunization Survey, 
COVIDVaxView,  and State of Vaccine Confidence Insights Report, Kaiser Family Foundation, Carnegie 
Mel on University, Johns Hopkins, and scholarly articles.  
Vaccines.gov maps vaccination sites. Vaccine Equity Planner (Ariadne Labs) helps identify “vaccine 
deserts” that lack convenient access to vaccination. 
About Vaccine Data 
In the COVID-19 vaccine program, jurisdictions (e.g., states, territories, tribes, and local entities), federal 
agencies, and pharmacy partners determine the number and types of doses to be shipped to vaccination 
sites. Doses are then delivered (i.e., distributed) to vaccination administration sites such as vaccination 
clinics, doctors’ offices, and pharmacies. Providers then administer doses to patients and report 
administration data to jurisdictions and CDC. (See CDC’s About COVID-19 Vaccine Delivered and 
Administration Data.) Federal health care programs (e.g., Veterans Health Administration) manage 
vaccine data through a similar process.  
Congressional Research Service 
https://crsreports.congress.gov 
IN11595 
CRS INSIGHT 
Prepared for Members and  
 Committees of Congress 
 
  
 
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FDA has approved or authorized three vaccines for the prevention of COVID-19 in different age groups, 
summarized in Table 1. 
Table 1. COVID-19 Vaccines Approved or Authorized by FDA  
(as of February 15, 2022) 
 
Pfizer-BioNTech 
Moderna 
J&J/Janssen 
Primary  Series 
Two doses given three 
Two doses given four weeks 
One dose 
weeks  apart 
apart 
FDA Approval/Licensure 
Yes, approved under the 
Yes, approved under the 
Not approved 
name Comirnaty as a two-
name Spikevax as a two-
dose regimen  for individuals 
dose regimen  for individuals 
16+  
18+ 
Emergency Use Authorization  Yes, authorized as a 
Yes, authorized as a 
Yes, authorized as a  
(EUA) 
 
two-dose regimen  in 
 
two-dose regimen  for 
 
single-dose regimen  in 
individuals 5+ (with a 
ages 18+,  
individuals 18+ and 
lower  dose authorized 
 
third dose for certain 
 
single booster dose to 
for children 5-11), 
immunocompromised 
be given at least two 
 
third dose for certain 
individuals 18+, and 
months after first 
immunocompromised 
 
single booster dose 
dose in individuals 
individuals 5+, and 
(half dose) to be given 
18+. 
 
single booster dose to 
at least five months 
be given at least five 
after the primary  series 
months after the 
in individuals 18+. 
primary  series  in 
individuals 12+. 
Source: Agata Bodie,  Analyst in Health Policy, CRS, based on FDA’s  documents at COVID-19 Vaccines. 
Any of the available  vaccines can be used as a “mix and match” booster dose in eligible  individuals. CDC 
recommends the Pfizer-BioNTech or Moderna vaccines to be given as a booster shot two months after 
receiving the J&J/Janssen vaccine or five months after completing the Pfizer-BioNTech or Moderna 
vaccination series. 
CDC Sources 
CDC provides data on doses and people vaccinated. Some aggregated national data are available  for 
federal entities (Bureau of Prisons, Department of Defense, Indian Health Service, and Veterans Health 
Administration; see “Data Table”). CDC also tracks rates of COVID-19 cases, deaths, and 
hospitalizations by vaccination and booster status. CDC continues to study vaccine effectiveness in real-
world conditions. 
CDC (click map) compiles links to state dashboards, which may also track local data.  
Non-CDC Sources 
Non-CDC sources provide different visualizations and analyses of CDC data and incorporate data from 
various jurisdiction-specific sources:  
  Bloomberg  
  Covid Act Now (and Harvard analysis with congressional district estimates as of 
September 2021) 
  
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  Johns Hopkins University & Medicine (JHU)  
  Kaiser Family Foundation (KFF) 
  Washington Post (WP) 
  Centers for Medicare & Medicaid Services (CMS) posts nursing home-reported data. 
Vaccination Data Sources 
Table 2 links to websites containing specific vaccination statistics. 
Table 2. Vaccination Data 
(links to selected resources) 
Measure 
National 
State 
Local 
Doses delivered 
Number 
CDC  
CDC   
— 
Per capita 
CDC download Data 
CDC 
— 
Table) 
By vaccine type (J&J/Janssen, 
CDC  
CDC (download Data Table)  — 
Spikevax/Moderna, Comirnaty/Pfizer-
BioNTech)  
Doses administered 
Number 
CDC (also trend)  
CDC (also trend)  
Harvard (congressional 
JHU  
JHU  
district)a 
 
Per capita 
CDC (download Data 
CDC 
— 
Table) 
Bloomberg  (also trend) 
Bloomberg  (also 
trend) 
Per day (daily count and 7-day 
CDCb 
CDCb 
— 
average, trend) 
WP 
WP 
By vaccine type 
CDC  
CDC (download Data Table)  — 
Percentage of delivered  doses that 
Bloomberg  (“Supply 
Bloomberg  (“Supply used”) 
— 
have been administered 
used”) 
Booster  doses administered  in last 7 
CDCc 
CDCc 
 
days 
People vaccinated 
People who received   ≥1 dose 
CDC (also trend)b 
CDC (also trend)b 
CDC (county) 
(number) 
 
CDC (CBSA)d 
Harvard (congressional 
district)a 
People who received  ≥1 dose 
CDC 
CDC 
CDC (county) 
(percentage) 
Covid Act Now 
Covid Act Nowe 
CDC (CBSA)d 
Covid Act Now (county, 
metro  area)e 
Harvard (congressional 
district)a 
  
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Measure 
National 
State 
Local 
People ful y vaccinatedf (number) 
CDC (also trend)b 
CDC (also trend)b 
CDC (county) 
JHU  
JHU  
CDC (CBSA)d 
WP  
WP 
Harvard (congressional 
district)a 
People ful y vaccinatedf (percentage) 
CDC  
CDC  
CDC (county, also case 
JHU  
Covid Act Nowe 
rates and testing positivity 
WP 
JHU  
map) 
WP  
CDC (CBSA)d 
Covid Act Now (county, 
metro  area)e 
Harvard (congressional 
district)a 
WP (county) 
People ful y vaccinatedf by vaccine 
CDC  
CDC (download Data Table)  — 
type  
People who received  additional 
CDCg (also trend) 
CDC (download Data 
CDC (county) 
(including booster) doses  
WP 
Tableg) (also trend) 
Covid Act Now (county, 
Covid Act Nowe 
metro  area)e 
WP 
People eligible  for booster who have 
CDC (“Booster 
— 
— 
not yet received  it  
eligible”) 
Demographicsh   
CDC (race/ethnicity, 
CDC (aged 65+) 
CDC (age, county and 
sex, age; also trends) 
CDCc (age) 
CBSA)d 
CDC (booster uptake 
CDC (urban/rural, trend) 
CDC (aged 65+, county) 
by race/ethnicity) 
KFF (race/ethnicity) 
CDC (social vulnerability, 
CDC (aged 65+) 
urban/rural, county) 
CDC (trends by age, 
alongside cases) 
CDC (disability status 
and age, 
race/ethnicity) 
CDC (pregnant 
people by 
race/ethnicity, trend) 
CDC (urban/rural, 
trend) 
KFF (race/ethnicity) 
WP (race/ethnicity, 
age trends) 
Nursing  homes 
Percentage of residents and staff 
CDC (trend) 
CDC (trend) 
CMS (facility-level  data in 
vaccinated 
CMS 
CMS 
“Search for a nursing 
home”) 
Medicare.gov (facility-level 
data) 
Source: CRS based on sources as of February 15, 2022. 
Notes: Some sources  report similar  data, but with different visualizations  and analysis. 
a.  Data were last updated September 2021 but may be of historical interest.   
b.  See also 7-day average trend alongside cases or deaths, see  “View (right axis).” 
  
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c.  Scrol   to Excel spreadsheets under “Attachments.”    
d.  Scrol   to Excel spreadsheets under “Attachments.”  Metropolitan and Micropolitan Statistical Areas  are col ectively 
known as Core-Based  Statistical Areas  (CBSAs). 
e.  Search state, city, or county, then scrol   to “% Vaccinated” for trend. 
f. 
As defined in these data sources,  “ful y vaccinated” people have received  the second dose of a two-dose vaccine or 
one dose of a single-shot vaccine (CDC). 
g.  Includes number, percentage, and by vaccine type.  
h.  Not al  states report demographics on vaccine recipients.   
 
 
Author Information 
 
Ada S. Cornell 
  Angela Napili 
Senior Research Librarian 
Senior Research Librarian 
 
 
 
 
 
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IN11595 · VERSION 17 · UPDATED