Khan Academy: When Flu Viruses Attack!

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...

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...

Find out what a virus is, and learn about the structure of a virus and how it infects a cell.

Learn about virus evolution and genetic variation in viruses.

A video solving problems and explaining concepts about the doppler effect. In this video, problems are solved when both the listener and the source are moving together? [7:34]

Once the flu virus enters a cell it can turn that cell into a viral factory, making many more copies of the flu virus and causing illness. [2:54]

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 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,...

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]

An introduction to the biology of viruses. [23:17]