Just 273 people around the world would survive the first 100 days of a hypothetical zombie apocalypse, according to a new epidemiological study conducted by the University of Leicester.
Researchers assumed each zombie would average one encounter with an uninfected human per day, and each encounter had a 90 percent of turning the human into a zombie. By day 100 there would be 273 human survivors, outnumbered a million to one by zombies.
The study investigated the spread of a hypothetical zombie virus using the SIR, an epidemiological model that describes the spread of a disease throughout a population.
“This model splits the population into three categories: Those susceptible to the infection, those that are infected, and those that have either died or recovered,” reads the study’s abstract. “The SIR model then considers the rates at which infections spread and die off as individuals in the population come into contact with each other.”
Researchers admits their study assumed most humans could not meaningfully fight back against zombies.
A more complex study published by Argonne National Laboratory in November found that it would take just 60 days for the undead to take control of Chicago.
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