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Dr. Anthony Fauci says authorities are looking to keep a "level of control" over the virus through winter.

What Dr. Fauci sees coming for the pandemic this winter

The country's top infectious disease doctor says he is looking for "a level of control" over COVID-19 such that it is less disruptive to society — and he again stressed the importance of vaccination.

Amyloid plaques are characteristic features of Alzheimer's disease. The new drug Aduhelm is able to remove this sticky substance that builds up in the brains of patients with the disease, but many doctors are still skeptical of how well it really works.

Cost and controversy are limiting use of new Alzheimer's drug

A new Alzheimer's drug isn't reaching many patients. Doctors say reasons include its high cost, and lingering questions about its effectiveness.

M.J. Eberhart, 83, who goes by the trail name of Nimblewill Nomad, is the oldest person to hike the entire 2,193-mile Appalachian Trail.

'Nimblewill Nomad,' 83, is the oldest to hike the Appalachian Trail

M.J. Eberhart, who goes by the trail name of Nimblewill Nomad, hiked the entire 2,193-mile trail. Eberhart finds a sense of calm in the company of the tight-knit and diverse hiking community.

Captured Ethiopian government soldiers and allied militia members are paraded by Tigray forces last month on their way to a detention center in Mekele, the capital of the Tigray region of northern Ethiopia.

Rebels are closing in on Ethiopia's capital. Its collapse could bring regional chaos

A newly formed rebel alliance led by the Tigray People's Liberation Front is within striking distance of Addis Ababa. A failed state could displace millions of people and stoke more ethnic violence.

Unprecedented heatwaves and low rainfall are turning southern Iraq's marshlands into a place hostile to the communities who've lived there for generations — as well as their livestock.

In Iraq's famed marshlands, climate change is upending a way of life

Drought and extreme heat that scientists link to climate change are altering the UNESCO-protected marshlands. Iraq's average annual temperatures are increasing at nearly double the rate of Earth's.

A food lover faces an unimaginable choice: Give up her stomach or risk a fatal cancer

Cooking and sharing elaborate meals was her joy. Then she learned a mutation in her genes puts her at extremely high risk of gastric cancer. Could she lose her stomach to save her life?

Nicaragua's President Daniel Ortega and his wife, Vice President Rosario Murillo, lead a rally in the capital Managua in 2018.

Nicaragua may be holding presidential elections, but it is edging toward dictatorship

Nicaraguan President Daniel Ortega is running for a fourth consecutive term to remain leader of the Central American country in elections that critics and U.S. officials have labeled a "sham."

A seawall stretches for hundreds of miles along the coast of Guyana, in northern South America. It protects the low-lying coastal lands where the majority of Guyana's population lives. The region is acutely threatened by rising sea levels, as well as other symptoms of climate change, yet Guyana is embracing the oil industry.

Guyana is a poor country that was a green champion. Then Exxon discovered oil

Guyana, one of South America's poorest countries, is under severe threat by rising seas. That had made it a champion of climate action, but it all changed when ExxonMobil found oil off its waters.

Technicians and engineers install antennae receivers on Lena Foss' home in Akiak, Alaska. Internet speeds will double in the town later this month, when it gains access to broadband internet.

This Alaskan town is finally getting high-speed internet, thanks to the pandemic

Many people in rural areas couldn't migrate their lives online when the pandemic hit because they lacked fast internet. Tribes in Alaska are now using new federal funding to install broadband.

These 4 college freshmen from India have a remarkable story to tell

They came from families that have faced seemingly insurmountable hardships and were admitted by top U.S. colleges. A school in India gave them their chance.

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