Cold weather really does spread flu

Link:http://www.newscientist.com/channel/health/dn12808-cold-weather-really-does-spread-flu.html


Summary: In this article it focuses maily on how flu can be spread in differend temp. and destroyed in others,At room temperature, they found flu transmission peaks at low relative humidity (20-35%) and again at 65%. It spread less well at around 50% humidity, and not at all over 80%. This parallels the stability of flu virus in aerosol droplets at different humidities, and also the droplets’ ability to remain airborne. At over 80% humidity, droplets containing flu virus themselves fall out of the air.the animals in this article are also unique because they some times have different types of flu.The scientist also proved that the virus can be air born.

Questions: What are the symptoms of this disease? fever, ache in of the body, vomiting, running nose ,diariea, and ect
How is this disease passed from person to person? At room temperature, they found flu transmission peaks at low relative humidity (20-35%) and again at 65%. It spread less well at around 50% humidity, and not at all over 80%.
List three things you learned from this article in your own words. that flu can be spread through cold dry air, that animals don't all have the same type of flu. and how droplets can spread flu.
What impact does this disease have on the US economy? its not an endangerment its does have an effect though on the people around you because it can be spread