COVID-19 is surging again-with far fewer serious cases.

New variants that elude immunity have caused a massive summer wave.

Pulling back the curtain.

Mpox circulated in Nigeria for 8 years before it sparked a global outbreak. Could it have been stopped?

Deadlier strain of mpox spreads to multiple African countries.

Massive outbreak of virus in the Democratic Republic of the Congo spills into neighbors.

Fire-against-fire HIV therapy passes key test in monkeys.

A stripped-down HIV genome can interfere with normal virus replication.

A new force emerges in genomics.

With vision and a big personality, Christian Happi has built a world-class genomics center so Africans can help Africa.

Can 'cow flu' be eliminated-or is it too late?

Feeble government response and lack of industry cooperation hamper U.S. control efforts.

Global pandemic treaty stalls, again, over equity concerns.

But negotiators approve new "pandemic emergency" alarm.

Bird flu appears entrenched in U.S. dairy herds.

New measures to control H5N1 in cows are "a drop in the bucket," scientists say.

Virus gone wild.

An ambitious U.S. project aims to sample more than 50 animal species to clarify how the COVID-19 virus moves between people and wildlife.

A bird flu vaccine for cows? It's complicated.

Market uncertainties, safety rules, and export worries stand in way of H5N1 shots for cattle.

U.S. government in hot seat for cow flu outbreak response.

Veterinarians and researchers say it has taken too long to share data on viral changes, spread, and milk safety.

Plans to expand African vaccine production face steep hurdles.

Moderna's pause on Kenya project highlights difficulties in creating a competitive vaccine sector on the continent.

Africa steps up battle against mpox outbreaks.

Research consortium announced as new variant spreads in Congolese mining region.

Worries about bird flu in U.S. cattle intensify.

Farm worker becomes infected as H5N1 appears to spread between dairy cows in five states.

Skin side effects stymie advance of HIV vaccine.

Strategy of using multiple mRNA shots to hone powerful antibodies hits a pothole.

Africa may lead rollout of long-lasting HIV drug.

U.S. agency plans to make inexpensive prevention shots widely available for people at risk.

Rifts over equity imperil WHO's pandemic treaty.

As deadline nears, negotiations continue over sharing pathogen sequences and vaccine doses.

'I'm not Tony': Anthony Fauci's heir vows new direction at NIAID.

Jeanne Marrazzo, an HIV prevention researcher, sees need for more "holistic" approach to community health problems.

Meat from gene-edited pigs could hit the market.

United States and other countries may soon approve virus-proof pigs.

Covid's cold cousins.

Four largely ignored coronaviruses circulate in humans without causing great harm and may portend the future for SARS-CoV-2.