• Home
  • Latest
  • Fortune 500
  • Finance
  • Tech
  • Leadership
  • Lifestyle
  • Rankings
  • Multimedia
AIBill Gates

Bill Gates says AI could be used as a bioterrorism weapon akin to the COVID pandemic if it falls into the wrong hands

Eleanor Pringle
By
Eleanor Pringle
Eleanor Pringle
Senior Reporter, Economics and Markets
Down Arrow Button Icon
Eleanor Pringle
By
Eleanor Pringle
Eleanor Pringle
Senior Reporter, Economics and Markets
Down Arrow Button Icon
January 9, 2026, 9:45 AM ET
Bill Gates speaks onstage at the Bloomberg Philanthropies Global Forum 2025 at The Plaza Hotel on September 24, 2025 in New York City.
Bill Gates speaks onstage at the Bloomberg Philanthropies Global Forum 2025 at The Plaza Hotel on September 24, 2025 in New York City. Bryan Bedder - Getty Images for Bloomberg Philanthropies

The wheel, the internet, the car, and electricity. All of these human creations pale in comparison to artificial intelligence, Microsoft co-founder Bill Gates believes. In his annual letter released today, the Microsoft co-founder wrote that, “Of all the things humans have ever created, AI will change society the most.”

That change could be ultimately for the better, but it also poses considerable threats to the global population, he wrote.

Gates has long been bullish on the opportunities that the revolutionary technology offers, particularly in industries like healthcare and education. However, he has also been mindful of the risks it poses, particularly if it falls into the hands of bad actors.

Recommended Video

As such, there’s a flipside to the major healthcare transformations AI could bring. The 70-year-old philanthropist wrote: “In 2015, I gave a TED talk warning that the world was not ready to handle a pandemic. If we had prepared properly for the Covid pandemic, the amount of human suffering would have been dramatically less.”

“Today, an even greater risk than a naturally caused pandemic is that a non-government group will use open source AI tools to design a bioterrorism weapon.”

Gates was keen to highlight that society needs to do more to ready itself for an AI era, and that work so far hasn’t been adequate. There are two key issues arising because of the technology, he believes, the first being artificial intelligence being used by bad actors, and the second being disruption to the jobs market.

“Both are real risks that we need to do a better job managing,” Gates wrote, adding, “We’ll need to be deliberate about how this technology is developed, governed, and deployed.”

Companies and regulators are already grappling with the ramifications of AI being used for harmful outcomes. Only this week, Elon Musk’s xAI was told by Britain’s Technology Secretary Liz Kendall that it must “urgently” deal with a surge in sexualized images of women and children, generated without consent, by its artificial intelligence-powered tool Grok—which the company has now partially restricted.

Job market disruption

No one can quite agree on how significantly AI will upset the labor market. Fed chairman Jerome Powell, for example, said he is watching the data “very carefully” to monitor how deeply the hiring market will shift because of efficiencies offered by the tech.

Meanwhile, a note from Oxford Economics this week suggested that “firms don’t appear to be replacing workers with AI on a significant scale,” suggesting instead that companies may be using the headlines as a cover for routine headcount reductions. “We suspect some firms are trying to dress up layoffs as a good news story rather than bad news, such as past over-hiring,” the note explained.

Gates described a broader picture: One in which instead of laying off workers, their hours could be reduced or “even decide there are some areas we don’t want to use AI in.”

“In a mathematical sense, we should be able to allocate these new capabilities in ways that benefit everyone,” he wrote.

“We’re already starting to see the impact of AI on the job market, and I think this impact will grow over the next five years,” Gates continued. “Even if the transition takes longer than I expect, we should use 2026 to prepare ourselves for these changes—including which policies will best help spread the wealth and deal with the important role jobs play in our society. Different political parties will likely suggest different approaches.”

Join us at the Fortune Workplace Innovation Summit May 19–20, 2026, in Atlanta. The next era of workplace innovation is here—and the old playbook is being rewritten. At this exclusive, high-energy event, the world’s most innovative leaders will convene to explore how AI, humanity, and strategy converge to redefine, again, the future of work. Register now.
About the Author
Eleanor Pringle
By Eleanor PringleSenior Reporter, Economics and Markets
LinkedIn icon

Eleanor Pringle is an award-winning senior reporter at Fortune covering news, the economy, and personal finance. Eleanor previously worked as a business correspondent and news editor in regional news in the U.K. She completed her journalism training with the Press Association after earning a degree from the University of East Anglia.

See full bioRight Arrow Button Icon

Latest in AI

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025

Most Popular

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Rankings
  • 100 Best Companies
  • Fortune 500
  • Global 500
  • Fortune 500 Europe
  • Most Powerful Women
  • Future 50
  • World’s Most Admired Companies
  • See All Rankings
Sections
  • Finance
  • Leadership
  • Success
  • Tech
  • Asia
  • Europe
  • Environment
  • Fortune Crypto
  • Health
  • Retail
  • Lifestyle
  • Politics
  • Newsletters
  • Magazine
  • Features
  • Commentary
  • Mpw
  • CEO Initiative
  • Conferences
  • Personal Finance
  • Education
Customer Support
  • Frequently Asked Questions
  • Customer Service Portal
  • Privacy Policy
  • Terms Of Use
  • Single Issues For Purchase
  • International Print
Commercial Services
  • Advertising
  • Fortune Brand Studio
  • Fortune Analytics
  • Fortune Conferences
  • Business Development
About Us
  • About Us
  • Editorial Calendar
  • Press Center
  • Work At Fortune
  • Diversity And Inclusion
  • Terms And Conditions
  • Site Map

Latest in AI

A screen displays the Grok logo while a person holds another phone in front.
AIX
Elon Musk restricts Grok’s image tools following a wave of non-consensual deepfakes of women and children
By Beatrice NolanJanuary 9, 2026
16 hours ago
AsiaSingapore
Singapore-based startup founder Anand Roy thinks generative AI can help fix a broken music sector
By Angelica AngJanuary 8, 2026
1 day ago
Dario Amodei sits in a white chair in front of a pink background and speaks animatedly.
AIEye on AI
AI is boosting productivity. Here’s why some workers feel a sense of loss
By Sharon GoldmanJanuary 8, 2026
1 day ago
Illustration of a human and robot hand holding a pharmacy and an AI symbol, respectively.
AImedicine
As Utah gives the AI power to prescribe some drugs, physicians warn of patient risks
By Beatrice NolanJanuary 8, 2026
1 day ago
A woman stands in front of a whiteboard speaking to a table of people.
Commentaryenterprise technology
AI isn’t failing your company. Your operating model is
By Katerin Le FolcalvezJanuary 8, 2026
1 day ago
Photo of Noam Shazeer and Daniel de Freitas, Character.ai founders
AIGoogle
Google and Character.AI agree to settle lawsuits over teen suicides linked to AI chatbots
By Beatrice NolanJanuary 8, 2026
2 days ago

Most Popular

placeholder alt text
North America
Bill Gates warns the world is going 'backwards' and gives 5-year deadline before we enter a new Dark Age
By Eleanor PringleJanuary 9, 2026
14 hours ago
placeholder alt text
Success
Diary of a CEO founder says he hired someone with 'zero' work experience because she 'thanked the security guard by name' before the interview
By Emma BurleighJanuary 8, 2026
1 day ago
placeholder alt text
Workplace Culture
Amazon demands proof of productivity from employees, asking for list of accomplishments
By Jake AngeloJanuary 8, 2026
1 day ago
placeholder alt text
Crypto
Russia and Iran are increasingly turning to crypto—especially stablecoins—to avoid sanctions, report finds
By Carlos GarciaJanuary 8, 2026
2 days ago
placeholder alt text
Politics
White House says it's 'reviewing protocols' after Trump seemingly violated federal policy by disclosing jobs data early
By Eva RoytburgJanuary 9, 2026
8 hours ago
placeholder alt text
Real Estate
Google billionaire Larry Page copies the Jeff Bezos playbook, buying a $173 million Miami compound that will save him millions in taxes
By Nick LichtenbergJanuary 8, 2026
1 day ago

© 2025 Fortune Media IP Limited. All Rights Reserved. Use of this site constitutes acceptance of our Terms of Use and Privacy Policy | CA Notice at Collection and Privacy Notice | Do Not Sell/Share My Personal Information
FORTUNE is a trademark of Fortune Media IP Limited, registered in the U.S. and other countries. FORTUNE may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.