Epidemics+Qs-+RJ

(1) Why keep the 1918 flu virus in the freezer?
 * It is kept in the freezer to study for future virus prevention**

(2) Where do all fly viruses get their start?
 * Fly viruses begin within the intestines of birds.**

(3) How does the avian flu and 1918 flu kill people?
 * The avian flu and the 1918 flu kill people through attacking the lower part of the lung, which is very vulnerable.**

(4) Why can't the bird flu transfer from human to human?
 * The bird flu has not yet evolved into the right form with the correct hemaglutinin combination.**

(5) Why would someone in the lab want to give the bird flu the ability to go from human to human?
 * The person would want to create that bird flu to figure out how to make a bird flu vaccine.**

(6) How are they are trying to give bird flu that ability (in the lab)?
 * They are trying to give it the right hemaglutinin combination, so that it can pass from human to human.**

(7) How many people were killed in th 1918 flu epidemic?
 * Fifty million people were killed in the 1918 Flu epidemic**

(8) How many people were killed by the plague-"The black death"?
 * Of the european population about 30%**

(9) What is an epidemic?
 * An epidemic is a disease that affects a large amount of people**

(10) What caused the plague and how did it spread?
 * The plague was caused by a bacteria named Yersina pestis. It is believed that it was spread by ship rats, which carried the plague all across Europe.**