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Our connected world means that diseases spread quicker than it would have decades ago.

Our connected world means that diseases spread quicker than it would have decades ago. Our connected world means that diseases spread quicker than it would have decades ago.
Source: Alitalia Official via Giphy
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It was again Ronald Ross who came up with the idea of what we call “dependent happenings.” What happens to you depends on what happens to other people. Obviously, biological contagion is a good example of this, but we do see these knock-on effects happening in other ways, for example the knock-on effect on economies when you have a financial crisis, and even in a biological outbreak like COVID-19. When you have that connectivity, what happens in a local area of China can quickly influence what happens in other countries. That is really a transition that we’ve had in the last decade or two. Even if you look at flight volumes out of China since SARS back in 2003, it’s about a three-fold increase. Potentially, what would have been a very small outbreak a few decades ago that wouldn’t have affected other places, now [affects] what happens elsewhere, such as the UK, the U.S., or India.

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Source : Countries with outbreaks reporting less than 20% of symptomatic cases, says U.K. epidemiologist Adam Kucharsk, MArch 28, 2020, TheHindu

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