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New studies bolster theory coronavirus emerged from the wild

Two new studies provide more evidence that the coronavirus pandemic originated in a Wuhan, China market where live animals were sold – further bolstering the theory that the virus emerged in the wild ...

Dominant coronavirus mutant contains ghost of pandemic past

The coronavirus mutant that is now dominant in the United States is a member of the omicron family but scientists say it spreads faster than its omicron predecessors, is adept at escaping immunity and...

Pandemic gets tougher to track as COVID testing plunges

Testing for COVID-19 has plummeted across the globe, making it much tougher for scientists to track the course of the pandemic and spot new, worrisome viral mutants as they emerge and spread. ...

What do we know about the new omicron mutant?

What do we know about the new omicron mutant? It's a descendant of the earlier super-contagious “stealth omicron” and has quickly gained ground in the United States. ...

UK patient had COVID-19 for 505 days straight, study shows

A U.K. patient with a severely weakened immune system had COVID-19 for almost a year and a half, scientists reported, underscoring the importance of protecting vulnerable people from the coronavirus. ...

Study mines cancer genetics to help with targeted treatment

Scientists have analyzed the full genetic blueprints of more than 18,000 cancer samples, finding new patterns of mutations that could help doctors provide better, more personalized treatment. ...

EXPLAINER: BA.2 variant takes over. What's known about it?

In the latest battle of the coronavirus mutants, an extra-contagious version of omicron has taken over the world. The coronavirus version known as BA.2 is now dominant in at least 68...

Scientists finally finish decoding entire human genome

Scientists say they have finally assembled the full genetic blueprint for human life, adding the missing pieces to a puzzle nearly completed two decades ago. An international team de...

Into the wild: Animals the latest frontier in COVID fight

GRAND PORTAGE, Minn. (AP) — To administer this COVID test, Todd Kautz had to lay on his belly in the snow and worm his upper body into the narrow den of a hibernating black bear. Training a light on i...

As 'stealth omicron' advances, scientists are learning more

The coronavirus mutant widely known as “stealth omicron" is now causing more than a third of new omicron cases around the world, but scientists still don't know how it could affect the future of the p...

Can you get long COVID after an infection with omicron?

Can you get long COVID after an infection with omicron? It’s too early to know for sure, but many doctors believe it’s possible to have long-term effects from the omicron variant of...

How to prevent early birth? Study explores sugarless gum

Healthy mouth, healthy baby? For years, scientists have been exploring the link between poor oral health and giving birth too early. Now, new research presented Thursday raises the possibility that so...

Doctors: Cancer patients cured a decade after gene therapy

In 2010, doctors treated Doug Olson’s leukemia with an experimental gene therapy that transformed some of his blood cells into cancer killers. More than a decade later, there's no sign of cancer in hi...

EXPLAINER: What's known about 'stealth' version of omicron?

Scientists and health officials around the world are keeping their eyes on a descendant of the omicron variant that has been found in more than 50 countries, including the United States. ...

EXPLAINER: What's known about 'stealth' version of omicron?

Scientists and health officials around the world are keeping their eyes on a descendant of the omicron variant that has been found in at least 40 countries, including the United States. ...