Flu epidemic.

In 1918, we had a flu epidemic in the United States that killed 20 million people.

And actually, about a year or so ago, there was this promulgation of the idea of Google Flu Trends, with respect to the flu, where by looking at people's searching behavior today, we could know where the flu what the status of the epidemic was today, what's the prevalence of the epidemic today.

So this would be a technique whereby we could get more than a month and a half warning about a flu epidemic in a particular population.

Think of cancer, of bird flu, swine flu, SARS.

Just look at pandemics swine flu, bird flu, H1N1.

Bird flu.

Other experts agree. In October 2005, a United Nations task force identified as one of the root causes of the bird flu epidemic, farming methods which crowd huge numbers of animals into small spaces.

As variable as flu is, HIV makes flu look like the Rock of Gibraltar.

We took 1,300 randomly selected undergraduates, we had them nominate their friends, and we followed both the random students and their friends daily in time to see whether or not they had the flu epidemic.

Swine Flu for Grownups

I caught the flu.

We tried it against flu A viruses H1N1, H3N2 as well as flu B viruses.

That's the sound of genetic mutations of the avian flu becoming a deadly human flu.

Recently, the US Senate approved spending 8 billion to stockpile vaccines and other drugs to help prevent a possible bird flu epidemic. Other governments have already spent tens of millions on vaccines and other preventive measures.

So this, swine flu pink.

Who Pays for Bird Flu?

Special event on Avian flu

And that most people who die of regular flu which in regular flu years is about 360,000 people worldwide, most of them senior citizens and they die not of the flu but because the flu gives an assault to their immune system.

I was vaccinated against the flu.

My name's Pitt. Melrose has flu.

This is the epidemic in Mozambique. This is an epidemic in northern Tanzania.

In 2007, as the world worried about a possible avian flu epidemic, Laurie Garrett, author of The Coming Plague, gave this powerful talk to a small TED University audience. Her insights from past pandemics are suddenly more relevant than ever.

Luckily, this year's flu was relatively mild.

Well, you could develop flu like symptoms.

And now comes the Spanish flu also.

I've got a touch of the flu.

I bet I'm getting the Asiatic flu.

Just a strong case of the flu.

The HIV epidemic peaked.

Almost started an epidemic.

Stigmatization is so prevalent it has been referred to as the inevitable third epidemic , occurring after the silent epidemic of HIV infection and the AIDS epidemic.

And we have a terrible chlamydia epidemic terrible chlamydia epidemic which sticks around for many years.

Seth Berkley HIV and flu the vaccine strategy

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

Laurie Garrett on lessons from the 1918 flu

This is not your normal garden variety flu.

Special event on the theme of Avian flu

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

We want to pretend that Mexico has the flu.

It was before the avian flu had reached Europe.

We all caught flu, and so did the teacher.

(d) Annual anti flu immunization of persons over 60

The red dots are going to be cases of the flu, and the yellow dots are going to be friends of the people with the flu.

There's an epidemic in the region.