News|Articles|December 20, 2021

COVID-19 Updates: US Vaccinations, Booster Doses, & Global Data as of December 20, 2021

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

How many fully vaccinated Americans have received a booster dose?

According to the Centers for Disease Control and Prevention (CDC), as of today December 20, 2021, at 3:37 PM, EDT, 29.8% of fully vaccinated persons in the US have received a booster dose of COVID-19 vaccine since August 13, 2021.

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

According to the CDC as of today, November 12, 2021, at 3:25 PM, EDT:

• 72.9% of total US population has received at least 1 dose
• 61.5% of total US population is fully vaccinated

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

1. Vermont: 76.6%
2. Puerto Rico: 76.4%
3. Rhode Island:75.7%
4. Maine: 75.1%
5. Connecticut: 74.1%

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

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

• 51 016 871 confirmed cases and
• 807 396 deaths

The 5 states with the highest total confirmed cases are:

1. California: 5 222 922
2. Texas: 4 442 037
3. Florida: 3 782 883
4. New York: 2 969 167
5. Illinois: 1 975 515

Deaths: California has the highest number of deaths due to COVID-19 with 75 812 reported fatalities, followed by Texas with 75 093 and Florida with 62 220.

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

Globally, there have been 275 332 867 confirmed cases, 5 359 185 deaths, and 8 699 714 434 vaccine doses administered.

Enhance your clinical practice with the Patient Care newsletter, offering the latest evidence-based guidelines, diagnostic insights, and treatment strategies for primary care physicians.

COVID-19 Updates: US Vaccinations, Booster Doses, & Global Data as of December 20, 2021

How many fully vaccinated Americans have received a booster dose?

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

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

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

Related Content

Home Sleep Testing for GLP-1 Coverage Shows Modest Diagnostic Yield in New Study

From Life’s Simple 7 to Life’s Essential 8: How Sleep Disorders Shape Cardiovascular Risk

Once-Nightly Oxybate in Narcolepsy: Real-World Outcomes Primary Care Should Know

FDA Expands Teplizumab Approval for Pediatric Stage 3 Type 1 Diabetes

Inside the AASM Sleep Guidelines on Sleep Apnea and Insomnia Therapy, With Susheel Patil, MD, PhD

Latest CME

Community Oncology Connections™: Beyond Primary End Points – Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Missouri Oncology Society

Wyoming State Oncology Society

PER Podcast™: Best Strategies for Approaching the Diagnosis of Amyotrophic Lateral Sclerosis (ALS)

Live Tumor Board: Exploring Novel Targets and Breakthrough Treatment Strategies in Extrapulmonary Neuroendocrine Carcinomas

Cases and Conversations: Applying the Evidence – Real-World Strategies to Optimize Care for Patients With Myelofibrosis

Medical Crossfire®: Closing Clinical Practice Gaps in Hepatobiliary Cancer With Emerging Immunotherapies and Delivery Innovations

Tumor Board: Evolving Immunotherapy Strategies for Stage I-III NSCLC

(CME Credit) Navigating Pharmacological Presbyopia Treatment for Enhanced Patient Care

PER Postgame™: Updates from ANNA in the Management of IgA Nephropathy

Expert Illustrations & Commentaries™: Visualizing the Role of the Complement Pathway in Paroxysmal Nocturnal Hemoglobinuria

Show Me the Data™: Redefining Treatment Paradigms in Triple-Negative Breast Cancer Across the Disease Continuum

Hot Seat: Which Agent, and When? Integrating Next-Generation Endocrine Strategies Into HR+/HER2– Breast Cancer Management

ADCs and Bispecific Antibodies Across Solid Tumors: Integrating New Targets, New Data, and New Decisions

Medical Crossfire®: Precision Oncology in NSCLC – Translating HER2 and TROP2 Innovation into Practice-Changing Care

Tumor Board: Optimizing NSCLC Care—Leveraging the Latest Evidence on Targeted Therapy and Immuno-Oncology

Cases and Conversations: Optimizing Oral SERD-Based Therapy After CDK4/6 Inhibition in HR+/HER2– MBC

Cases and Conversations: Adopting New Treatment Strategies in Polycythemia Vera and Essential Thrombocythemia

Community Oncology Connections™: Beyond Primary End Points – Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Wisconsin Association of Hematology and Oncology

(CME Track) Community Oncology Connections™: Leveraging Recent Advances in the Treatment of Relapsed/Refractory Follicular Lymphoma – Arkansas

Community Oncology Connections™: Clarifying Novel Treatment Pathways in HER2+ Breast Cancer – Rhode Island

Cases and Conversations: Adopting New Treatment Strategies in Polycythemia Vera and Essential Thrombocythemia

Louisiana Oncology Society

New Mexico Society of Clinical Oncology

Cases and Conversations™: Sorting Through the Expanding Treatment Options for Patients with Relapsed/Refractory Multiple Myeloma

Breast Cancer Tumor Board®: Advancing Care in Metastatic Breast Cancer - The Evolving Role of Antibody-Drug Conjugates

Southern California Psychiatry Conference

Show Me the Data™ New Frontiers in the Treatment of Ovarian Cancer

A Community-Based Roadmap to CAR-T Therapy: Optimizing Delivery and Outcomes

Wisconsin Association of Hematology and Oncology

Rhode Island Oncology Society

Kentucky Society of Clinical Oncology

Expert Perspectives on Applying Recent Evidence to Practice in the Management of Newly Diagnosed Multiple Myeloma

PER Global Perspectives: The TROP2-Targeted ADC Landscape in NSCLC and How to Interpret the Evidence

PER Global Perspectives: Preparing for the Emergence of TROP2 ADCs With Immunotherapy in the Earlier Treatment Settings

Assessing the Evidence for OX40-OX40L Axis Inhibition for the Treatment of Atopic Dermatitis

Breast Cancer Tumor Board: Targeting TROP2 – Innovations in Triple-Negative Breast Cancer Treatment

Interventional Dry Eye: A Stepwise Treatment & Management Approach

Navigating Safety Data with Janus Kinase (JAK) Inhibitors in Atopic Dermatitis (AD) Management

Community Practice Connections™: 16th Annual International Symposium on Ovarian Cancer and Other Gynecologic Malignancies™

Looking Beneath the Surface: Latest Updates in Identifying and Managing Hypercortisolism in Patients with Type 2 Diabetes

Empire State Hematology & Oncology Society (New York)

South Carolina Oncology Society

Breaking Down the Rationale for Targeting TROP2 in TNBC

Dissecting Clinical Trial and Real-World Data for ADCs in TNBC

Establishing the Rationale for ADC and ICI Combinations in TNBC

Evaluating the Latest Data and Ongoing Trials for Novel ADC Approaches in TNBC

Expert Guidance on Frequently Asked Questions Regarding the Use of ADCs in TNBC

Breaking Down the Latest Clinical Data for First-line Maintenance and R/R SCLC

Optimizing Treatment for Biliary Tract Cancers

24th Annual International Congress on the Future of Breast Cancer® East

Broadening the Frontline—Studies Informing the Use of Immunotherapy in Hepatocellular Carcinoma

Cross-Disease Integration of Immunotherapy Innovations

Patient, Provider, and Caregiver Connection: Turning a New Leaf in Acute Pain Management – How Recent Advancements Impact the Treatment Paradigm

Expert Roundtable and Panel Discussions: Current and Future Landscape of TNBC

Live Expert Illustrations & Commentary™: Visualizing Novel Therapeutic Targets for Patients with Major Depressive Disorder

(CME Track) Rapid Reviews in Retina™: Emerging Updates from Summer 2025—Addressing the Wealth of New Data in Treatments for Neovascular Retinal Disease

PER Resource Center: Integrating Novel Approaches in TNBC – New Avenues for TROP2-Targeting ADCs and Beyond – Nursing

Practical Considerations and Future Directions for New Treatment Strategies in SCLC

Show Me the Data®: New and Emerging Roles for Oral SERD Therapy in the Treatment of ER+/HER2– Breast Cancer

(CME Track) The Evolution of MacTel Management: Integrating Neuroprotective Therapies Into Clinical Practice

(CME Track) A Forward Look at Anti-VEGF Therapies: A Paradigm Shift in Neovascular Retinal Disease Management

Collaborating Across the Continuum™: The Pediatrician’s Vital Role in Multidisciplinary Management of Pediatric PAH

(CME Track) Community Collaborative Connections™: Optimizing the Collaborative Care of Neovascular Retinal Disease in a New Age of Treatment

Burst CME™: Optimizing Care for Patients with Psoriasis – Incorporating a Buy-and-Bill Model for Biologic Agents into Dermatological Practice

(CME Track) Collaborating Across the Continuum™: Best Practices in Patient-Centric Team Management of XLRP

Cases and Conversations™: Biologic Matchmaking in Psoriasis – Finding the Right Therapy for the Right Patient

Patient, Provider, and Caregiver Connection™: Addressing Patient Challenges With Holistic Approaches to Vitiligo Management

(CME Track) SoCal Psych 2025: Overcoming Barriers to Long-Acting Injectable Agents in Schizophrenia