Swine Flu

Patient Zero is infected with a new mutated strain of the Influenza A (H1N1) virus. A reassortment of the 2009 strain with limited lethality - existing anti-virals are moderately effective against it. However, analysis of its genetic makeup has identified potential sequence similarities to the 1918 'Spanish Flu' strain that killed 5% of the world's population. Will history repeat itself?