Africa

Advisory committee says there’s no “significant” threat yet of cross-border spread

The Hadza of Tanzania have long been a magnet for researchers, but their traditional lifestyle is vanishing

Poop may be starving pools and rivers of oxygen

In wake of catastrophic West African epidemic, world responds rapidly to new outbreak

Researchers race to discover what’s driving this year’s surge of Lassa fever cases and deaths

Rare species could succumb if water table falls and wetlands dry out

As vaccine stockpile grows, a better formulation could also bolster response to widespread outbreak

They may be amassing to defend against sharks

Discoveries may end debate on the role of environmental factors in the disease's global burden

Eruptions reduced annual Nile floods, causing catastrophic crop failures and social upheaval

Some of the mutations responsible for lighter skin in Europeans turn out to have an ancient African origin

A massive international response is underway

New law would allow commercial planting of transgenic varieties

Dolutegravir, unaffordable for most countries, will be part of novel, inexpensive three-drug antiretroviral combo

Two new studies suggest extensive migration and an early south-west population split

Hadza hunter-gatherers show distinct dry and wet season microbiota