It is easier to spread the flu virus than previously thought. People commonly believe that they can catch the flu by exposure to droplets from an infected person's coughs or sneezes. But new information about flu transmission reveals that we may pass the flu to others just by breathing.

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It is easier to spread the flu virus than previously thought. People commonly believe that they can catch the flu by exposure to droplets from an infected person's coughs or sneezes. But new information about flu transmission reveals that we may pass the flu to others just by breathing.