A pandemic influenza would mean widespread infection essentially throughout every region of the world.
Sentiment: NEGATIVE
Influenza pandemics must be taken seriously, precisely because of their capacity to spread rapidly to every country in the world.
Without an adequate response, an epidemic can develop into a pandemic, which generally means it has spread to more than one continent.
The worst pandemic in modern history was the Spanish flu of 1918, which killed tens of millions of people. Today, with how interconnected the world is, it would spread faster.
For the first time in history we can track the evolution of a pandemic in real time. Influenza viruses are notorious for their rapid mutation and unpredictable behaviour.
All countries should immediately now activate their pandemic preparedness plans. Countries should remain on high alert for unusual outbreaks of influenza-like illness and severe pneumonia.
The features of globalization have huge consequences on pandemics. It just connects us so much more closely... And as a consequence, every one of these viruses that passes from animals to humans has the capacity to infect all of us.
Pandemics do not occur randomly. From malaria and influenza to AIDS and SARS, the lethal microbes have come, in the first instance, from animals, especially wild animals. And we increasingly know which parts of the world pose the greatest risk for future incursions.
More than 50 million people around the world died during the 1918-1919 flu pandemic. That's why we have epidemiologists all over the world tracking whether new strains of flu emerge.
You can have an epidemic in a state. You can have it in a region. You can have it in a country where the critical level of disease passes a certain threshold, and we call that an 'epidemic threshold.'
Seasonal flu is now a pandemic that lasts for years and years because you've got so many people that it's jumping back between northern and southern hemispheres and moving itself around the world. By the time it gets back to where it started, it's changed sufficiently so that people are no longer immune.
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