Definition Flu Pandemic Of 1918
The influenza pandemic of 1918 19 resulted from such an occurrence and affected populations throughout the world.
Definition flu pandemic of 1918. This pandemic is estimated to have been responsible for the deaths of 50 100 million people. During the first world war newspapers were censored. 1 most victims were healthy young adults in contrast to most influenza outbreaks which predominantly affect juvenile elderly or weakened patients. It was caused by an h1n1 virus with genes of avian origin.
The world health organization s definition of a pandemic is the worldwide spread of a new disease. An influenza pandemic is an epidemic of an influenza virus that spreads across a large region either multiple continents or worldwide and infects a large proportion of the population. Many people died within the first few days after infection and others died of complications soon after. Global impact the deadliest influenza outbreak in history began in 1918.
An influenza virus called influenza type a subtype h1n1. Spanish flu 1918 1919. Historical and epidemiological data are inadequate to identify the geographic origin. Influenza is caused by a virus that is transmitted from person to person through airborne respiratory secretions.
In 1918 19 there was an additional pandemic historic for its deadliness and swift global spread. Instances of influenza remained fairly high in the following years. Although there is not universal consensus regarding where the virus originated it spread worldwide during 1918 1919. The 1918 19 influenza pandemic is thought to have caused 25 million deaths in 6 months affecting every continent of the world.
In the united states it was first identified in military personnel in spring 1918. A pandemic of influenza a in 1918 19 that caused the highest number of known flu deaths more than 500 000 people died in the united states and 20 million to 50 million people may have died worldwide. The 1918 influenza pandemic also known as spanish influenza affected nearly one third of the world s population. The 1968 flu pandemic was caused by the influenza h3n2 virus.
There have been five in the last 140 years with the 1918 spanish flu pandemic being the most severe. The h1n1 influenza virus rapidly spread across the united states and affected 100 of the country within five weeks from the initial. An outbreak can occur if a new strain of influenza virus emerges against which the population has no immunity. The 1918 flu pandemic the spanish flu was an influenza pandemic it was an unusually severe and deadly pandemic that spread across the world.