Running at full speed since the summer, a lab with the Centers for Disease Control and Prevention, testing blood samples collected by American hospitals on patients they suspected of having Ebola, has returned a negative result in every case. Until Tuesday.
Thomas Eric Duncan traveled from Liberia to Texas, before testing positive for Ebola. The first Ebola case diagnosed in the U.S. has raised many questions and concerns, which CNN has been responding to on social media using the hashtag #EbolaQandA. We'll continue to answer them online and on TV, but here are some of your most frequently asked questions:
Today, the Ebola virus spreads only through direct contact with bodily fluids, such as blood and vomit. But some of the nation's top infectious disease experts worry that this deadly virus could mutate and be transmitted just by a cough or a sneeze.
Yes, Ebola is a scary infectious disease. But the first thing you should know is that it's not very contagious -- the virus isn't spread through the air via coughs or sneezes like the common cold. It's spread through frequent contact with bodily fluids and can be spread only by someone who is showing symptoms.
About 8.4 million people can rightfully call themselves New Yorkers, according to 2013 census data. There are no official numbers to back this up, but it'd be a pretty solid bet to say that an awful lot of them have never spent much time exploring the Bronx beyond Yankee Stadium, the Bronx Zoo, the Bronx Botanical Gardens and maaayyybe going out for a plate of manicotti and some tiramisu on Arthur Avenue.
Prosecutors in St. Louis County, Missouri, are investigating a Twitter post claiming the grand jury hearing evidence in the Ferguson shooting hasn't heard enough to warrant charging the police officer who shot and killed unarmed teenager Michael Brown.
Jimmy Carter's presidency swirled with turmoil, but his post-White House work promoting human rights, democracy and peace has earned him high praise. Carter turned 90 Wednesday. Here are a few facts to help reflect on the long life of America's 39th president:
Arctic ice is dwindling, the waters of the North Pacific Ocean are the warmest on record and tens of thousands of walruses have taken notice, "hauling out" on an Alaskan beach in numbers never seen before.