What is the biggest threat to a mass number of humans? Not natural disasters, but rather, pandemics! With a lecture and slide show, the speaker discusses how medical technology in the form of vaccines is bringing an end to suffering and...

Learn the difference between the cold and the flu, and how we sometimes can get fooled by viruses. Rishi is a pediatric infectious disease physician and works at Khan Academy. [12:46]

PBS sites examines the 1918 flu virus that killed 50 million people.

Help your students explore the killer flu in this three video clip series. Each video clip investigates separate topics related to the flu virus, and you can use the questions that accompany the clips for a class discussion. [54:53]

The flu appears to be taking the nation by storm even for those who received flu shots this year. Catch this story from the CBS News medical correspondent. [1:43]

The biology of a flu virus, how it is spread, how it manifests itself in the human body, and how to protect oneself through vaccination and preventative practices are explained. [4:02]

Learn about some of the common and uncommon risks and benefits associated with the flu vaccine. Rishi is a pediatric infectious disease physician and works at Khan Academy. [12:56]

Compare the risks and benefits of the flu vaccine side-by-side and decide for yourself if flu vaccines are a good idea.

Learn some common excuses for not getting the flu vaccine, and some key information relevant to each one. [3:27]

Find out how the flu spreads from person to person, and who is at the greatest risk of getting complications of the flu. Rishi is a pediatric infectious disease physician and works at Khan Academy.

Distinguish between LAIV (live, weakened) and TIV (dead) vaccines, and when each is appropriate to be used.

Did you know there was a test to see if someone has the flu? This video lecture will discuss when testing for influenza makes sense, and the most common test that is used. [8:57]

Find out how the genetic material in the Type A flu virus can get shuffled around to create brand new types of viruses! Rishi is a pediatric infectious disease physician and works at Khan Academy. These videos do not provide medical...

Learn the common symptoms of the flu and how it can be diagnosed. These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice,...

Find out just how useful the flu vaccine actually is at preventing the flu! Rishi is a pediatric infectious disease physician and works at Khan Academy. These videos do not provide medical advice and are for informational purposes only....

The flu has been causing disease and death for a long time. Get a feel for exactly how many folks are affected each year by this disease. These videos do not provide medical advice and are for informational purposes only. The videos are...

Learn how flu viruses get into and out of your cells using Hemagglutinin and Neuraminidase proteins on their surface. Rishi is a pediatric infectious disease physician and works at Khan Academy. These videos do not provide medical advice...

We've all heard of H1N1 or H3N2; now you can understand what all of those names mean and find out why they are helpful in keeping track of the different flu viruses! [9:54]