H5N1

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A bar chart titled “Three Seasons of Bird Flu: Turkeys (Meat Products)” comparing monthly counts of turkeys culled due to bird flu across the 2023, 2024, and 2025 flu seasons (September to August). Bars show turkey losses in yellow, with the highest spikes in October and December 2023 and December 2024. In the 2025 flu season, turkey culling began earlier. The chart notes that 1.2 million turkeys were affected in September and October 2025—20 times higher than the same period in 2024. Data source: USDA APHIS.

Bird Flu Roars Back: What It Means for Thanksgiving

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Since September, turkey and egg farms have lost millions of birds, renewing pressure on food prices and biosecurity

U.S. Egg Prices See Largest Jump Since 1980 as Bird Flu Outbreaks Continue

U.S. Egg Prices See Largest Jump Since 1980 as Bird Flu Outbreaks Continue

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A new version of H5N1 influenza continues to pound poultry, but price relief could be on the way

Time to Act on New Bird Flu Spillovers

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A strategic and biosecurity overview of what could protect U.S. agriculture and people from H5N1 infections

Time to Act on New Bird Flu Spillovers

RFK Could Prevent a Bird Flu Pandemic—By Embracing His Environmentalist Roots

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Three steps Robert F. Kennedy, Jr. could take to strengthen the U.S. Department of Agriculture's recent bird flu plan

RFK Could Prevent a Bird Flu Pandemic—By Embracing His Environmentalist Roots

H5N1 Demands Coordination, Not Confusion

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Public health and politics should work together to restore trust and ensure a cohesive response to bird flu

H5N1 Demands Coordination, Not Confusion

Timeline: H5N1 Bird Flu Outbreak in the U.S.

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A weekly updated timeline for H5N1 outbreak events

Timeline: H5N1 Bird Flu Outbreak in the U.S.

Global Health Security Lessons from the U.S. Biodefense Response

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The COVID-19 pandemic exemplified how an institute concerned with biodefense could pivot to serve public health needs

Global Health Security Lessons from the U.S. Biodefense Response

The United States Isn't Ready for a Bird Flu Epidemic

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Epidemiologist Michael Osterholm discusses what's keeping the United States from closing public health gaps

The United States Isn't Ready for a Bird Flu Epidemic

Using Game Theory to Advance the Pandemic Agreement

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Rewarding drug manufacturers for sharing vaccine doses could break the impasse in negotiations

Workers carry a batch of the Pfizer-BioNTech COVID-19 vaccine to a helicopter.

H5N1: How Effective Is Wastewater Surveillance for Bird Flu?

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The Rockefeller Foundation's Megan Diamond explains wastewater surveillance for monitoring the H5N1 outbreak

H5N1: How Effective Is Wastewater Surveillance for Bird Flu?

Course Correcting the U.S. Response to Bird Flu

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Health security scientists wonder what delayed the U.S. response and offer advice on strategic improvements

Course Correcting the U.S. Response to Bird Flu

How Pasteurization Kills Bird Flu Virus in Milk

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Experts explain how pasteurization obliterates avian influenza virus from milk

How Pasteurization Kills Bird Flu Virus in Milk