How did the national geographic video use media to aid understanding of the 1918 flu pandemic?

The use Old photographs of hospital patients illustrated the points.
By using the old photograph, people could learnt the symtoms that is shown as an indicator if someone had a flu.
On top of that, they also includes necessary steps that needed to be taken to handle it.

By old photographs of hospital patients illustrated the points the National Geographic video use media to aid understanding of the 1918 flu pandemic. The global flu outbreak of 1918 killed 50 million people globally, rating as one of the deadliest epidemics in history.

Yes, they are always very triggered