In april 2009, a new strain of influenza a emerged. this strain, known as the swine flu, caused at least 95 deaths in over 40 different countries. the rapid spread of this disease can be attributed to what?

The rapid spread of this disease can be attributed to its transmission path. The virus spreads from person to person, either by inhaling the virus or by touching contaminated surfaces. Much like normal flu, swine flu is spread by droplets of body fluid that are expelled into the air through coughing or sneezing. The ease at which the flu is contracted and global air travel led to the rapid spread of the flu. 

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