Gilead is the leading virology company, with more than 35 years of history in antiviral research and drug development. We have helped transform the treatment and prevention of HIV, delivered curative therapies for hepatitis C, and played a key role in the response to the COVID-19 pandemic. We continue to use our experience, dedication and infrastructure to pursue innovative therapeutic options for current viruses while remaining ready to contribute to the response to potential viral outbreaks in the future.


Read about our work to continue advancements in HIV through medical innovation and community partnerships.

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Viral Hepatitis

Find out how we’re helping transform lives of people living with hepatitis B, C and D through groundbreaking science.

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See how our experience in virology is enabling us to help address COVID-19 and plan for potential viral outbreaks in the future.

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Read More About Our Work in Virology