Anna Johnson-Winegar

Photo: Courtesy of Anna Johnson-Winegar Two days after anthrax was discovered in a letter addressed to US Sen. Tom Daschle (D-SD), Anna Johnson-Winegar was testifying on the state of the nation's readiness to counter bioterrorism before the Senate Committee on Government Affairs. Her office is the Department of Defense's (DoD) focal point for chemical and biological defense. In the hot seat before the Senate that bright October day, the Pentagon scientist wasted no time trying to convince them

Written byPeg Brickley
| 4 min read

Register for free to listen to this article
Listen with Speechify
0:00
4:00
Share

Two days after anthrax was discovered in a letter addressed to US Sen. Tom Daschle (D-SD), Anna Johnson-Winegar was testifying on the state of the nation's readiness to counter bioterrorism before the Senate Committee on Government Affairs. Her office is the Department of Defense's (DoD) focal point for chemical and biological defense. In the hot seat before the Senate that bright October day, the Pentagon scientist wasted no time trying to convince them that all was well on the biodefense front.

"We have documented gaps and deficiencies," she admitted. Exercises to test the strength of the biodefense system highlighted cultural differences that kept government agencies from working efficiently to counter a germ- or chemical-based assault.

More than a year after the anthrax assaults of 2001, Johnson-Winegar has been back to Congress several times, faced the press, spoken at conferences, sat on panels and attended meetings by the dozens. If there ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to digital editions of The Scientist, as well as TS Digest, feature stories, more than 35 years of archives, and much more!
Already a member? Login Here

Meet the Author

Published In

Share
February 2026

A Stubborn Gene, a Failed Experiment, and a New Path

When experiments refuse to cooperate, you try again and again. For Rafael Najmanovich, the setbacks ultimately pushed him in a new direction.

View this Issue
Human-Relevant In Vitro Models Enable Predictive Drug Discovery

Advancing Drug Discovery with Complex Human In Vitro Models

Stemcell Technologies
Redefining Immunology Through Advanced Technologies

Redefining Immunology Through Advanced Technologies

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Beckman Coulter Logo
Conceptual multicolored vector image of cancer research, depicting various biomedical approaches to cancer therapy

Maximizing Cancer Research Model Systems

bioxcell

Products

Sino Biological Logo

Sino Biological Pioneers Life Sciences Innovation with High-Quality Bioreagents on Inside Business Today with Bill and Guiliana Rancic

Sino Biological Logo

Sino Biological Expands Research Reagent Portfolio to Support Global Nipah Virus Vaccine and Diagnostic Development

Beckman Coulter

Beckman Coulter Life Sciences Partners with Automata to Accelerate AI-Ready Laboratory Automation

Refeyn logo

Refeyn named in the Sunday Times 100 Tech list of the UK’s fastest-growing technology companies