SIGA is monitoring the growing monkeypox outbreak and supports the response

If you are a government or medical provider and have an inquiry about TPOXX (Tecovirimat-SIGA) please contact us at

Our Antiviral Drug TPOXX Is Approved by the U.S. FDA For The Treatment Of Smallpox

TPOXX (Tecovirimat-SIGA) is approved by the EU for the treatment of monkeypox, cowpox, smallpox, and complications from vaccinia

Named 27th on the Forbes List of Best Small Cap Companies

Health Security

We are a public, commercial-stage pharmaceutical company focused on providing solutions for unmet needs in health security.

Our Pipeline

Attractive product and market expansion opportunities

Our Team

Experienced team of scientists and business leaders

Our Partners

Rich history of successful partnerships to support our vision

SIGA Technologies Receives Approval from the European Medicines Agency for Tecovirimat

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News & Press Releases

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Health Security is a $12.7 billion market

Medical countermeasures for biological, chemical, radiological and nuclear attacks, as well as vaccines, therapeutics and diagnostics for emerging infectious diseases

  • Corporate Headquarters
    31 East 62nd Street
    New York, NY 10065
    (212) 672-9100

  • SIGA Development Operations
    4575 SW Research Way, Suite 110
    Corvallis, OR 97333
    (541) 753-2000

HCP and Product Inquiries: Call 541-766-3744