Diseases, Conditions, Syndromes

What to know about the new bird flu virus

Earlier this month, the U.S. government declared that the emerging H7N9 bird flu "poses a significant potential for a public health emergency." The virus, a relative of other bird flus we've seen previously like H1N1 and ...

Diseases, Conditions, Syndromes

Without global vaccinations, further variants ahead

While we have much to learn about omicron, the new coronavirus variant, two things are certain: Vaccinations will provide some level of protection, and until the majority of the world's population is vaccinated, we may continue ...

Diseases, Conditions, Syndromes

Study identifies mutations specific to omicron variant

While the omicron variant continues to infect people around the world, researchers at the University of Missouri have identified the highly prevalent, specific mutations that are causing the omicron variant's high rate of ...

Diseases, Conditions, Syndromes

An expert explains viral variants, mutations and strains

What are variants? We asked Divya Shah, Epidemics Research Lead, to explain how variants happen, what they mean for treatments and vaccines—including for COVID-19—and how we can prevent them.

Diseases, Conditions, Syndromes

Coronavirus mutations: What we've learned so far

In early January, the first genome sequence of SARS-CoV-2—the virus that causes COVID-19—was released under the moniker "Wuhan-1." This string of 30,000 letters (the A, T, C and Gs of the genetic code) marked day one ...

Diseases, Conditions, Syndromes

Vaccine protection may diminish need for yearly boosters

Scientists have found clues that the world's leading COVID-19 vaccines offer lasting protection that could diminish the need for frequent booster shots, but they caution that more research is needed and that virus mutations ...

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