HB+Epidemics


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 * (1) Why keep the 1918 flu virus in the freezer?**
 * Keeping the samples allowing modern science to learn about the virus that killed so many.


 * (2) Where do all fly viruses get their start?**
 * Viruses can start in animals. Most viruses are received from birds and more specifically in their stomach.


 * (3) How does the avian flu and 1918 flu kill people?**
 * The virus gets into the body and destroys the helpful cells and replicates itself to make the process widespread.


 * (4) Why can't the bird flu transfer from human to human?**
 * Without the correct hemoglobin to exit the cells it is unable to transfer from humans to humans.


 * (5) Why would someone in the lab want to give the bird flu the ability to go from human to human?**
 * By studying the disease and how it interacts and finds a way to spread, we can better understand how to find a cure.


 * (6) How are they are trying to give bird flu that ability (in the lab)?**
 * They are trying to re-create a hemoglobin that makes it possible using studies from the 1918 disease.


 * (7) How many people were killed in the 1918 flu epidemic?**
 * About 50 million people were killed


 * (8) How many people were killed by the plague-"The black death"?**
 * It is estimated that it killed about 100-125 million people.

http://en.wikipedia.org/wiki/Epidemic
 * (9) What is an epidemic?**
 * In epidemiology, an epidemic (from Greek epi- upon + demos people) is a classification of a disease that appears as new cases in a given human population, during a given period, at a rate that substantially exceeds what is "expected," based on recent experience (the number of new cases in the population during a specified period of time is called the "incidence rate"). (An epizootic is the same thing but for an animal population.) The disease may or may not be contagious.


 * (10) What caused the plague and how did it spread?**
 * It came from a bacteria called Yersinia pestis, which most likely came from dirt particles in Asia. It spread through the voyagers going from region to region. ||