Why not? Every plant virus, every insect virus, every marine virus.

Avelile had the virus, she was born with the virus.

We know the virus will mutate. It will be a different virus.

Virus Killer

And each spot represents a different family of virus or species of virus.

The virus is defeated.

And a pig disease, a pig virus, and a human virus can both proliferate, and because of their kind of reproduction, they can combine and produce a new virus.

Virus protection and virus development constitute an uneven arms race. A virus can be just a couple hundred lines of computer code, compared to hundreds of thousands of lines for anti virus programs, which must be designed to detect wide classes of enemies.

This is the polio virus.

These are virus assembled nanowires.

And I'm coloring these small windows blue if another virus shares an identical sequence in its genome to that virus.

And so we use a virus that's a non toxic virus called M13 bacteriophage that's job is to infect bacteria.

It could be some virus types.

So, we clone the whole virus.

Does this virus cause prostate cancer?

So things were looking very exciting, and then about five years ago, this virus, this ancient virus, started to fight back.

Clearly the bottom line is the virus eventually attenuates, and ceases to be a lethal virus to humanity, and finds other hosts.

This virus can only survive in people.

AIDS was discovered 1981 the virus, 1983.

They also stop passing on the virus.

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And then we did respiratory syncytial virus.

These guys really do have this virus.

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But in fact this virus crossed over into humans many decades before, from chimpanzees, where the virus originated, into humans who hunt these apes.

You know, the problem is if this virus occasionally mutates so dramatically, it essentially is a new virus and then we get a pandemic.

But we think this virus is pretty ubiquitous.

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So this is a virus based solar cell.

He called it the virus Latin for poison.

And what we've been able to do is engineer a virus to basically take dye absorbing molecules and line them up on the surface of the virus so it acts as an antenna, and you get an energy transfer across the virus.

Although the virus remains contained in Uige and has not spread nationwide, the cycle of transmission has not been stopped and the virus is still active.

So let's take a look at the flu virus.

Is it virus sized? Is it smaller than that?

Paul Offit ... Vaccine allowed us to eliminate polio virus.

It doesn't make sense unless, maybe, there's a virus?

The PC virus problem is 25 years old now.

For example, let's go with the Centipede virus first.

We engineered a virus to pick up carbon nanotubes.

The first problem we ran into was that, in these last four countries, the strongholds of this virus, we just couldn't seem to get the virus rooted out.

So we are trying to wipe out this virus completely.

And the idea is, let's experimentally inoculate people with virus.

A virus is a string of nucleic acid with attitude.

It's the first virus we ever found for PC computers.

These are the guys who wrote the first PC virus.