The 1957 flu that killed a million people

In 1957 a new strain of flu emerged in East Asia and quickly spread around the world, killing a million people. It was dubbed the "Asian flu" but it spread to Europe and North and South America. Gabriela Jones has been listening to archive news reports from the time and speaking to Sumi Krishna who was nine years old when she caught the virus in India in 1957.

Photo: Americans worried about "Asian flu" wait their turns at Central Harlem District Health clinic in October 1957. Credit: Getty Images