A virus outbreak has struck the city of New York. The virus has the ability to turn a healthy man into a dreadful Zombie. If an infected being can survive for two days without food and has an ability to infect ten more in a day and a recently infected man posses an ability to survive 75% more time without food and can infect 25% more people than the Zombie who infected him. Calculate how many zombies would be roaming on the streets of New York at the end of day 30.
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Answer:
%
Step-by-step explanation:
Everyone knows that zombies only exist in horror movies. Or do they? A new article in the University of Leicester's 'Journal of Physics Special Topics' predicts that zombies would kill almost everyone on Earth in just 100 days. Students predicted there would only be 273 survivors after three months of a zombie apocalypse. The students were not, of course, using real zombies found in fiction. Instead, they pretended that a deadly virus had infected someone and then spread around the world. They decided that one person with the virus would have a 90 per cent chance of infecting another person every day. They calculated that at that rate, the human population would fall to just 273 people by day 100.
Scientists don’t know where the name “zombie deer disease” emerged. Instead, they refer to chronic wasting disease, a fatal progressive neurodegenerative illness believed to affect deer, elk, reindeer, and moose. It was discovered in farmed deer in Colorado in the 1960s, and it’s been intriguing scientists ever since.
The disease is caused by prions, which are not viruses or bacteria. Prions are almost indestructible pathogenic proteins that trigger cells, particularly in the brain and spinal cord, to fold abnormally and start clumping. When that happens, the infected animals begin to develop an array of awful symptoms — dementia, hallucinations, and difficulty walking and eating. The animals eventually become wobbly and disoriented. Those symptoms worsen over time, and since there’s no cure, they always lead to death.
That deer could go on a 40-mile trip, sprinkling [infected] prions in its feces or urine,” said Larsen. “If we go and say this is a [chronic wasting] deer on this point on the map, what you don’t see on that map is everywhere that deer has been in the last two years.”
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