Name: 人が動物に病気を与えた5回｜リバース・ズーノティクス (5 Times People Gave Animals Diseases | Reverse Zoonotics)
Uploaded: 2021-01-14T10:42:36.000Z
Duration: 14 min 7 s
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Many of these diseases, collectively called zoonotics,

And they're a big deal, because they can harm animals

we care a lot about, like the ones we eat,

In June 2009, an outbreak of metapneumovirus

struck a group of mountain gorillas in Rwanda.

Altogether, eleven of the twelve gorillas

And though that might not seem like a lot,

it's devastating to a species with just 600

or so individuals left, all of which are roughly

In fact, infectious disease accounts for 20%

You see, although researchers aren't exactly sure

Researchers also found pneumonia-causing bacteria

in the mother, which turned out to be the cause of death—

basically, it moved in after her body had been

catching human diseases—and those diseases

Which puts local scientists in a tricky spot.

Conservation efforts rely on tourism money.

animals because we're so similar to them.

So the presence of potentially-ill tourists

Right now, the plan is to restrict access

and in some places, make people wear masks

to help prevent the spread of infectious diseases

There's also the possibility of developing

Scientists have already successfully given

vaccines to wild gorillas and apes to protect

them from outbreaks of measles, tetanus, and polio.

But whether vaccine development actually happens

ultimately depends on the cost and what governments,

conservation groups, and tourists are willing to do

you probably heard about the global influenza A

pandemic of 2009, better known as swine flu.

Within six months of the World Health Organization's

official pandemic declaration, there had been more than

come from pigs in Mexico—hence the name swine flu—

See, the whole reason swine flu was so contagious

and all-around terrible was because its RNA was a mix of

And that only happened because sometime around 1998,

we passed our version of the flu onto some pigs.

Pigs can act like tubby genetic mixing bowls

because they're susceptible to viruses from

different animals, and those viruses can all

The pigs that got our 1998 flu were already harboring

their own pig flu, and then they also managed

These three viruses combined into what's called

a triple reassortment—a mix of genetic material

Even then, the virus wasn't so bad for us at first—

for about a decade, it mostly spread between pigs

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人が動物に病気を与えた5回｜リバース・ズーノティクス (5 Times People Gave Animals Diseases | Reverse Zoonotics)

pandemic

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contagious