Disease: Influenza
Suspected cases‡: 500 million (estimate)
Number of deaths: 5,00,00,000
Spanish flu |
1918 influenza pandemic is the worst pandemic in history. This is caused by the H1N1 virus in poultry origin gene. Although there is no universal consensus on where the virus came from, it spread throughout the world during 1918-1919. In the United States, was first identified in military personnel in the spring of 1918. It is estimated that about 500 million people or one third of the world's population is infected with this virus. The death toll is estimated at least 50 million worldwide with about 675,000 in the United States.
High mortality in people younger than 5 years, aged 20-40 years, and 65 years and older. High mortality rates in healthy people, including those in the age group of 20-40 years, is a unique feature of this pandemic. While the 1918 H1N1 virus have been synthesized and evaluated, qualities that make it so powerful is not well understood. With no vaccine to protect against influenza infection and no antibiotics for secondary bacterial infection treats that can be associated with influenza infection, efforts to control the whole world is limited to non-pharmaceutical interventions such as isolation, quarantine, good personal hygiene, use of disinfectants, and the limitations of public meetings, which are applied equally.
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