Guinea has so far recorded up to 10 suspected cases of Ebola and five deaths.
New guidance suggests in-person schooling is safe for kids and teachers despite the ongoing COVID-19 pandemic.
Those exposed to the coronavirus still should practice social distancing and watch for symptoms, the CDC said in its updated guidelines.
Wearing a cloth mask on top of a surgical mask blocked about 80% of particles, researchers found.
Officials are on edge about fans congregating at parties and bars for the big game.
The new rule requires passengers on planes, trains, subways, buses, taxis and ride-shares to wear a covering over their nose and mouth.
Other variants first reported in the United Kingdom and Brazil were previously confirmed in the U.S
The CDC order goes into effect Jan. 26 and applies to U.S. citizens as well as foreign travelers.
Here are some new coronavirus discoveries, from the South Africa strain to allergic reactions to the vaccine.
The president, without evidence, accused the U.S. Centers for Disease Control and Prevention of exaggerating the numbers.