The spring of 1918 the fall of 1918 and the winter of 19181919 2223. By the World Health Organizations official tally the flu pandemic of 2009-10 killed 18449 people around the world. Worldwide Distribution Of Swine Flu Pandemic H1n1 2009 Map Download Scientific Diagram It was caused by the emergence of a new strain of flu virus named AH1N1 which was first identified in Mexico in April 2009. 2009 flu pandemic . 10 August 2010 -- WHO Director-General Dr Margaret Chan announced that the H1N1 influenza virus has moved into the post-pandemic period. More Additionally CDC estimated that 151700-575400 people worldwide died from H1N1pdm09 virus infection during the. First isolated from humans in Mexico and the USA. F H1-2009specific avidity of IgG from. The WHO raises its warning to phase 5 the last. Below is a timeline of major events that took place during the 2009 H1N1 pandemic. The 2009 H1N1 Pandemic. National Pandemic Flu Service goes live in England. In 1918 an H1N...