The Rules of Contagion
would bring the disease under control. We can use the same logic to work out vaccination targets for other infections. If R is 1 ...
during each of these encounters, assuming the other person is susceptible. R therefore depends on four factors: the duration of ...
The reproduction number has become a crucial part of modern outbreak research, but there’s another feature of contagion we also ...
similar number of people. If an infection spreads from person-to- person, creating a chain of cases, we refer to it as ‘propagat ...
Typhoid outbreak following a picnic in California, 1916[54] We can therefore think of disease transmission as a continuum. At on ...
Fuelled by coffee and amphetemines, he’d turn up at colleagues’ houses, announcing that ‘my brain is open’. By the time he died ...
Illustration of fully-connected and broken Erdős–Rényi networks The Erdős–Rényi model could capture the occasional long-range co ...
follow this rule: the vast majority of people had slept with at most one person in the past year, whereas some reported dozens o ...
By breaking contagion down into its basic DOTS components – duration, opportunities, transmission probability, susceptibility – ...
to be fiction. In 2016, a team of researchers published an analysis of viruses from a range of patients, including men diagnose ...
When Randy Shilts came across the CDC diagram while researching his book, his attention was drawn to Dugas. ‘In the middle of th ...
search for people who may have come into contact with her. During her trip, she’d taken at least one bus and three taxis, potent ...
had sexual contact with. Of these cases, 168 people had at least two contacts who were also infected. This suggested they were d ...
from Naples, called it the ‘Neopolitan disease’. In Russia, it was the Polish disease, in Poland it was Turkish, and in Turkey i ...
Fear grips the system, which, in consequence, seizes. The resulting collateral damage is wide and deep.’ Haldane suggested that ...
economist Sidney Homer at the time. ‘It is painful by definition, and it can even break bones.’[81] The 2008 crisis wasn’t the f ...
transfers that happened between thousands of US banks on a typical day, they found that 75 per cent of the payments involved jus ...
quite who owed what to whom,’ Haldane said. It didn’t help that there were numerous, often hidden, loops in the wider network, c ...
exchanges or blood transfusions. There are multiple routes of transmission.’ In finance, contagion can also come from several di ...
in this thinking. Large banks were no less likely to fail than smaller ones. What’s more, these big firms were disproportionally ...
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