Pandemic Contagion stand alone

For too long has the human race assaulted diseases. For too long has mankind found cures and other means to eradicate them from the planet. Now, the diseases are fighting back and humanity doesn't stand a chance! Will you be the disease that exterminates humanity? A new, non-cooperative game in the  Pandemic  line! Become one of the diseases in this new game that reverses the roles and where you must now try to annihilate the human race.