News|Articles|October 28, 2021

COVID-19 Updates: Delta Variant, US Vaccinations, & Global Data as of October 28, 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 28, 2021, at 2:46 PM, EDT:

• 66.7% of total US population has received at least 1 dose
• 57.6% of total US population is fully vaccinated

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

1. Puerto Rico: 73.3%
2. Vermont: 71%
3. Rhode Island:70.7%
4. Connecticut: 70.6%
5. Maine: 70.4%

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 28, 2021 at 3:21 PM, EDT, there have been:

• 45 799 895 confirmed cases and
• 742 481 deaths

The 5 states with the highest total confirmed cases are:

1. California: 4 904 401
2. Texas: 4 226 705
3. Florida: 3 678 661
4. New York: 2 544 431
5. Illinois: 1 692 875

Deaths: California has the highest number of deaths due to COVID-19 with 71 846 reported fatalities, followed by Texas with 70 746 and Florida with 58 933.

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

Globally, there have been 245 386 525 confirmed cases, 4 977 785 deaths, and 6 947 883 074 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.

Subscribe Now!

COVID-19 Updates: Delta Variant, US Vaccinations, & Global Data as of October 28, 2021

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

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?

Newsletter

Related Content

Genitourinary Syndrome of Menopause (GSM): Clinical FAQ for Primary Care

Screening for Breast Cancer in Patients With Dense Breast Tissue: A Q&A With Donna Plecha, MD

US Obesity Rates Decline in Tandem With Rise in Use of GLP-1 RA, New Gallup Index Shows

TMS 2025: Regina Castaneda, MD, on Tirzepatide, Menopause, and Hormone Therapy

Hormone Therapy and Autoimmune Disease Risk in Postmenopausal Women, With Xuezhi Daniel Jiang, MD, PhD

Latest CME

Community Oncology Connections™: Enhancing Melanoma Outcomes With Intratumoral Oncolytic Immunotherapy – Strategies for the Multidisciplinary Team | Iowa

26th Annual International Lung Cancer Congress

Community Oncology Connections™: Enhancing Melanoma Outcomes With Intratumoral Oncolytic Immunotherapy – Strategies for the Multidisciplinary Team | New York

Community Oncology Connections™: Beyond the Basics—Revolutionizing Advanced Prostate Cancer Management With PSMA-Targeted Therapies | South Carolina

Community Oncology Connections™: Enhancing Melanoma Outcomes With Intratumoral Oncolytic Immunotherapy – Strategies for the Multidisciplinary Team | Minnesota

Community Oncology Connections™: Enhancing Melanoma Outcomes With Intratumoral Oncolytic Immunotherapy – Strategies for the Multidisciplinary Team | Texas

Community Oncology Connections™: Beyond the Basics—Revolutionizing Advanced Prostate Cancer Management With PSMA-Targeted Therapies | West Virginia

Community Oncology Connections™: Beyond the Basics—Revolutionizing Advanced Prostate Cancer Management With PSMA-Targeted Therapies | Tennessee

Community Oncology Connections™: Enhancing Melanoma Outcomes With Intratumoral Oncolytic Immunotherapy – Strategies for the Multidisciplinary Team | Washington

Community Oncology Connections™: DLL3-Targeting Bispecific Antibodies for Small Cell Lung Cancer – From Innovation to Practice | Montana and Wyoming

Rapid Reviews in Retina™: Emerging Updates from Fall 2024 - Addressing the Wealth of New Data in Treatments for nAMD and DME

22nd Annual Meeting of the International Society of Gastrointestinal Oncology

Epithelioid Sarcoma: Applying Clinical Updates to Real Patient Cases

Patient, Provider, and Caregiver Connection: Improving Diagnosis and Care for Adolescent Myasthenia Gravis Patients – A New Frontier

Burst CME: Targeted Therapy for Optimal Psoriasis Management

(COPE Credit) Time Matters in GA: The Impact of Early Detection and Proactive Treatment Approaches

Practical Approaches to Modern Dry Eye Treatment and Management

(COPE Track) The TED Perspective: A Multidisciplinary Approach to Thyroid Eye Care

(COPE Track) Revolutionizing nAMD and DME Management: Collaborative Strategies in the Age of Durable Treatments

(CME Track) Collaborative Community Connections™: Mastering the Management of nAMD and DME Through Therapeutic Innovation

(CME Track) Toric IOLs Unleashed: From Technological Progress to Patient Success

(CME Track) Clinical Case Connections: Understanding the Impact of Advances in Treatment for DME and DR

Breaking the 𝘋𝘦𝘮𝘰𝘥𝘦𝘹 Blepharitis Cycle: The Importance of Early Intervention

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

Medical Crossfire®: DLL3-Driven Innovations in Small Cell Lung Cancer – How Do Experts Apply Pivotal Advances to Practice?

Medical Crossfire®: The Precision Path for HER2 and TROP2-Targeted Treatments in Non–Small Cell Lung Cancer

Medical Crossfire®: Harnessing the Power of Modern Therapies in Newly Diagnosed Multiple Myeloma

PER Tumor Board®: Applying Recent Advances to Transform the Treatment Paradigm in SCLC—Expert Perspectives on New Approvals and Emerging Strategies

Cases & Conversations™: Transforming AML Care—Precision Strategies, Evolving Therapies, and Clinical Insights

Tumor Board: Expert Insights on Managing Classical 𝘌𝘎𝘍𝘙 Mutations, 𝘌𝘎𝘍𝘙 Exon 20 Insertions, and Atypical 𝘌𝘎𝘍𝘙 Mutations in Metastatic NSCLC

Medical Crossfire®: Precision Medicine in Glioma Treatment — Integration of Molecular Profiling to Inform Targeted Therapies

GI Tumor Board—Applying Recent Advances in Biomarker Testing and Treatment in Metastatic Colorectal Cancer

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

Medical Crossfire®: Improving Patient Outcomes in Myeloproliferative Neoplasms With Novel Therapeutic Approaches

Medical Crossfire®: Integrating Next-Generation Endocrine Targeting Therapies to Improve Outcomes for Patients With HR+/HER2- Breast Cancer

Evolving Treatment Strategies in Pancreatic Cancer: Current Standards, Emerging Targets, and the Role of Molecular Testing

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

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

Burst CME: Managing Fluid Overload in Patients with Chronic Kidney Disease (Part 1)

Rapid Reviews in Retina™: Emerging Updates from Spring 2025—Addressing the Wealth of New Data in Treatments for Neovascular Retinal Disease

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

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

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

Interventional Dry Eye: A Stepwise Treatment & Management Approach

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

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

Establishing the Rationale for ADC and ICI Combinations in TNBC

Breaking Down the Rationale for Targeting TROP2 in TNBC

Burst CME: Managing Fluid Overload in Patients with Chronic Kidney Disease (Part 2)

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

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

Optimizing Treatment for Biliary Tract Cancers

Cross-Disease Integration of Immunotherapy Innovations

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

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

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

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

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

(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

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

Practical Considerations and Future Directions for New Treatment Strategies in SCLC

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

(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