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COVID-19 is a respiratory virus that was first detected late last year in Wuhan, an industrial city of 11 million in eastern China. So far, more than 2,200 people have died, mostly in China.

Passenger information gets checked and re-checked at airports all over the world, but when it comes to tracking COVID-19, that data has, at times, taken days to reach health officials. Read more»

A Trans World Airlines Lockheed Super Constellation, the type of plane involved in the 1956 collision above the Grand Canyon.

On the morning of June 30, 1956, a Trans World Airlines L-1049 Super Constellation and a United Airlines DC-7 collided 21,000 feet over the Grand Canyon. All 128 people aboard the planes died. It was the deadliest civilian plane crash to date, and its fallout resulted in modern air traffic control and the establishment of the Federal Aviation Administration. Read more»