In PM's case, the virus wiped out large parts of the brain's medial temporal lobes, which are important for remembering events and facts.
That is similar to what happened to Saudi Aramco, where a computer virus wiped data from office computers, but never succeeded in making the leap to the industrial control systems that run oil production.
In the 1950s, papaya ringspot virus wiped out nearly all papaya production on the Hawaiian island of Oahu.
Pests and viruses wipe out harvests that are already some of the least bountiful in the world.
Phil Miller travels all 50 states (and Canada and Mexico) looking to see if there is anyone still alive after an unnamed virus wipes out the population.
After a virus wipes out the entire population of North America, Phil Miller (Will Forte) is the last man living on earth in Tuscon, Arizona.
It told the story of Caesar, a chimp raised by humans and given advanced intelligence via an Alzheimer's drug, who ends up starting a simian revolution as a virus wipes out the majority of the human race.
A deadly virus wipes out almost all of humanity in the years 1996 and 1997, forcing the survivors to live underground.
In bad years, such as 2006, maize-streak virus can wipe out entire harvests.
A natural disaster or virus could wipe them all out, so "keeping a captive population," argues one of the keepers, "is vital".
