Skip to main content

The independent source for health policy research, polling, and news.

Subscribe Follow Us Donate
  • Trump 2.0

    Trump 2.0

    • Agency Watch
    • State Watch
    • Rural Health Payout
  • Public Health

    Public Health

    • Vaccines
    • CDC & Disease
    • Environmental Health
  • Audio Reports

    Audio Reports

    • What the Health?
    • Health Care Helpline
    • KFF Health News Minute
    • An Arm and a Leg
    • Health Hub
    • HealthQ
    • Silence in Sikeston
    • Epidemic
    • See All Audio
  • Special Reports

    Special Reports

    • Bill Of The Month
    • The Body Shops
    • Broken Rehab
    • Deadly Denials
    • Priced Out
    • Dead Zone
    • Diagnosis: Debt
    • Overpayment Outrage
    • Opioid Settlement Tracking
    • See All Special Reports
  • More Topics

    More Topics

    • Elections
    • Health Care Costs
    • Insurance
    • Prescription Drugs
    • Health Industry
    • Immigration
    • Reproductive Health
    • Technology
    • Rural Health
    • Race and Health
    • Aging
    • Mental Health
    • Affordable Care Act
    • Medicare
    • Medicaid
    • Children’s Health

  • Single-Payer Healthcare
  • Federal Workers’ Medical Records
  • TrumpRx
  • Pharmacy Discount Coupons
  • Hantavirus

WHAT'S NEW

  • Single-Payer Healthcare
  • Federal Workers' Medical Records
  • TrumpRx
  • Pharmacy Discount Coupons
  • Hantavirus

Morning Briefing

Summaries of health policy coverage from major news organizations

  • Email

Wednesday, Jul 21 2021

Full Issue

Delta Dominates US Covid Cases: Just 17% Are Other Variants

CDC Director Rochelle Walensky said the country was experiencing a "dramatic increase" in cases traced to the delta covid variant -- up to 83% of new cases, a rise from 50% just two weeks ago.

The Hill: CDC Director: Delta Variant Accounts For 83 Percent Of All COVID-19 Cases In US 

The delta variant of the novel coronavirus is now responsible for 83 percent of all sequenced COVID-19 cases in the United States, Centers for Disease Control and Prevention (CDC) Director Rochelle Walensky said Tuesday. That estimate is a major increase from just over two weeks ago. For cases tallied during the week of July 3, the CDC estimated the delta variant accounted for about 50 percent of new infections. (Weixel, 7/20)

CIDRAP: Delta COVID-19 Variant Now 83% Of US Cases 

The Delta (B1617.2) variant, first detected in India and now sweeping the globe, represents 83% of COVID-19 sequenced samples in United States, according to Centers for Disease Control and Prevention (CDC) Director Rochelle Walensky, MD, MPH, who testified today in a Senate committee hearing on the pandemic. "This is a dramatic increase, up from 50% for the week of July 3," Walensky said. "In some parts of the country the percentage is even higher, particularly in areas of low vaccination rates." Walensky explained that the pandemic in the United States was not affecting the unvaccinated. (Soucheray, 7/20)

CBS News: Delta Variant Accounts For 83% Of COVID Cases In U.S., CDC Director Says

In Florida, hospitals are preparing for the worst. At Miami's Jackson Health System, there's been a 111% jump in COVID patients over the last two weeks, meaning most visitors will be banned. About 95% of patients with the virus who are being treated there are unvaccinated. "It's frustrating. It's passed beyond sadness," said Alix Zacharski, a nurse manager at the hospital. "The amount of disease they go through is incredible it's terrible, it's absolutely terrible." Zacharski says the patients are coming in younger, and with the Delta variant, they're getting sicker, faster. "We just got a very young patient in her 20s. She has asthma, did not get vaccinated, and she ended up passing out, passing away," she said. (Bojorquez, 7/20)

This is part of the Morning Briefing, a summary of health policy coverage from major news organizations. Sign up for an email subscription.
Newsletter icon

Sign Up For Our Newsletter

Stay informed by signing up for the Morning Briefing and other emails:

Recent Morning Briefings

  • Today, May 11
  • Friday, May 8
  • Thursday, May 7
  • Wednesday, May 6
  • Tuesday, May 5
  • Monday, May 4
More Morning Briefings
RSS Feeds
  • Podcasts
  • Special Reports
  • Morning Briefing
  • About Us
  • Donate
  • Staff
  • Republish Our Content
  • Contact Us

Follow Us

  • Instagram
  • YouTube
  • LinkedIn
  • Facebook
  • X
  • Bluesky
  • TikTok
  • RSS

Sign up for emails

Join our email list for regular updates based on your personal preferences.

Sign up
  • Editorial Policy
  • Privacy Policy

© 2026 KFF