<p>A Reuters analysis of data from FlightAware, which tracks air traffic in real-time, reveals a series of sequential and precipitous declines in flights in four key regions as officials sought to contain the outbreak.</p>
Source: MSN Money
<p>A Reuters analysis of data from FlightAware, which tracks air traffic in real-time, reveals a series of sequential and precipitous declines in flights in four key regions as officials sought to contain the outbreak.</p>
Source: MSN Money
