Spanish influenza, or "Spanish flu" (born La Grippe Espagnole, or Spanish. La Pesadilla) was most likely the worst pandemic in human history. In the 1918-1919 worldwide have died from the Spanish flu of approximately 50-100 million people. Was infected with approximately 400 million people, or 21,5% of the population of the planet. The epidemic started in the last months of World War I and quickly eclipsed is the largest-scale massacre victims.
August 20, 2007 Department of Agriculture of the Philippines outbreak of H1N1 influenza in pig province Nueva Ecija and Central Luzon.
 Pandemic influenza A/H1N1 2009