A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the nation’s first severe ...

The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, suggesting the virus changed over the course of the patient’s ...

A genetic analysis of the bird flu in the body of a Louisiana man who contracted the first severe case found it mutated ...

A new bird flu mutation of H5N1 has been discovered in a patient in the US state of Louisiana. Public health officials are concerned the new strain may rapidly develop, increasing its ability to ...

The CDC warns samples of the bird flu virus show signs of mutations that could make it more transmissible to humans. The CDC says it appears the H5N1 virus contained mutations in the Louisiana patient ...

In fact, California has been in a Tree Mortality State of Emergency since Oct. 30, 2015. It was declared by Gov. Jerry Brown ...

The latest government data shows that cases of a fast-spreading stomach bug are surging in parts of the United States.

Here’s what to know about the United States’ first confirmed severe case of H5N1 avian influenza—and how to protect yourself.

Has Russia’s Shadow Fleet, Built to Evade Sanctions, Engaged in Sabotage? Russia has assembled a fleet of hundreds of vessels to covertly ship its oil. The idea of using some to cause havoc may ...

President Vladimir V. Putin of Russia told the Azerbaijani leader, Ilham Aliyev, in a phone call, “that the tragic incident took place in Russian airspace.” By Anatoly Kurmanaev Flight ...