Smallpox killed billions of people on this planet.

The second challenge we had was in contrast to the smallpox vaccine, which was very stable, and a single dose protected you for life the polio vaccine is incredibly fragile.

Cool pollen, though.

And they caught smallpox in the one remaining place that had smallpox, and they went home to die.

We've seen the eradication of smallpox.

Smallpox early detection, early response.

The nurse gave Tom a flu shot.

Tracking the 'Cedar Pollen Front'

Dr. Njoku Obi invented the Cholera vaccine.

This is a polio vaccine.

But there's a vaccine for that too.

What do you think of the diphtheria vaccine?

Images of limb regeneration and faces filled with smallpox

I wanted to show you the stages of smallpox.

This guy is like a carrier of smallpox.

SB

Everybody is immune to smallpox nowadays.

OK, now smallpox is an extremely distressing illness.

We declared smallpox eradicated in 1980.

So if this works in humans, what we're talking about is a universal flu vaccine, one that doesn't need to change every year and would remove the threat of death.

And that would create a universal HIV vaccine.

So today, we get our flu vaccines from ...

Jonathan Drori Every pollen grain has a story

The Annual Japanese Agony of Cedar Pollen

The first vaccine became available in 1981.

Immunization and the Children apos s Vaccine Initiative 88 92 33

And that would create a universal HlV vaccine.

Here is a scanning electron micrograph of a grain of pollen.

It's a very difficult thing to make a vaccine for.

Perhaps there's more pollen in the city.

Larry Brilliant Smallpox was the worst disease in history.

But in that year, smallpox exploded throughout India.

And in 1980, we declared the globe free of smallpox.

But smallpox was the fourth disease that was intended for eradication.

CA And that's the same with universal flu vaccine, the same kind of thing?

Now giving the polio vaccine is simple.

Images of limb regeneration and faces filled with smallpox 21 percent of the conference.

The smallpox vaccine was developed in 1798 by Edward Jenner.

The key to eradicating smallpox was early detection, early response.

Twenty years later, they succeeded and developed the polio vaccine.

So if this works in humans, what we're talking about is a universal flu vaccine, one that doesn't need to change every year and would remove the threat of death.

They point to the successes of aid the eradication of smallpox, and the distribution of tens of millions of malaria bed nets and antiretrovirals.

When you read the biblical plague of boils, that was smallpox.

Pharaoh Ramses the Fifth, whose picture is here, died of smallpox.

But to see smallpox from the perspective of a sovereign is the wrong perspective.