Jonathan Lambert

Republicans threatened repercussions after Anthony Fauci repeatedly invoked the Fifth Amendment rather than answer questions during a contentious Senate hearing on Covid-19.

At a Senate hearing Wednesday, Anthony Fauci is likely to face questions from Sen. Rand Paul related to the origins of the COVID-19 pandemic. Here's what you need to know

Invasive species can wreak havoc on ecosystems. A new study in Science suggests low- and middle-income countries in the Global South experience greater harms.

The current Ebola outbreak is eluding officials who are trying to figure out where it's going to go next. The DRC is training 21,000 people to try to help get a grasp on the outbreak.

Farmers in Senegal are welcoming fish into their rice paddies. The hope is they'll fertilize the crop, be a source of food ... and eat the snails that carry parasitic worms.

Medical trials are beginning to test two treatments and one preventative for this strain of Ebola circulating.

Through an innovative program, parents in Senegal had easy access to a therapeutic food that's a boon for malnourished kids. Now there are shortages. Health specialists say U.S. aid cuts are to blame.

The Democratic Republic of Congo has improved its capacity for PCR testing. But it may not be enough to keep up with a rapidly expanding outbreak, and there are no approved rapid tests yet.

Ebola cases are rising in Congo and Uganda. NPR's Jonathan Lambert explains why the outbreak may be even larger than official numbers show.

Three vaccine candidates are being fast-tracked to target the Ebola species spreading in Central Africa. Big organizations and companies are behind the effort, but logistics are complicated.