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Surveillance and Data Analytics

Public Health

Sept. 5, 2025

This page provides an overview of COVID-19 data and trends over time. Other COVID-19 related data visualizations (previously on CDC’s COVID Data Tracker) are provided in the resources section at the bottom of this page.

COVID-19 Surveillance Data in the United States

Early Indicators

Test positivity (the percentage of total reported tests that are positive) and the percentage of total emergency department visits due to COVID-19 are key metrics to assess the impact of COVID-19 on communities. For public health professionals, these metrics act as early indicators of potential increases in COVID-19 activity.

% Test Positivity

5.2%

Week ending 2026-01-10
Previous Week 5.0%

% ED visits diagnosed as COVID-19

0.8%

Week ending 2026-01-10
Previous Week 1.0%

Severity Indicators

Hospitalizations and deaths are key metrics for assessing the severity and disease burden of COVID-19, including which groups are at the increased risk of severe COVID-19.

Hospitalization rate per 100,000 population

1.1

Week ending 2026-01-10
Previous week 1.9

% of All Deaths in U.S. Due to COVID-19

0.9%

Week ending 2026-01-10
Previous Week 0.7%

COVID-19 Death Rates

Additional COVID-19 Data and Visualizations

COVID-NET monitors COVID-19-associated hospitalizations among children and adults in the U.S.

Survey results at the national and state level monitoring COVID-19 vaccination uptake and confidence

COVID-19 Data from the National Center for Health Statistics

NCHS provides timely data on deaths, mental health, access to health care, telemedicine, and more

NWSS Wastewater Monitoring in the U.S.

CDC shares wastewater data for infectious diseases to help make informed public health decisions.

Pediatric Acute Respiratory Illness (ARI) Interactive Dashboard

The Pediatric Acute Respiratory Illness dashboard shows respiratory virus data from CDC's NVSN.

The National Respiratory and Enteric Virus Surveillance System (NREVSS)

NREVSS is a laboratory-based system that monitors respiratory and enteric virus activity.

Variants and Genomic Surveillance

CDC uses genomic surveillance to identify and track SARS-CoV-2 variants.

Preliminary Estimates of COVID-19 Burden

Sept. 5, 2025

Sources Print Share

Content Source:

National Center for Immunization and Respiratory Diseases; Coronavirus and Other Respiratory Viruses Division

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