Epidemic+questions+EP

1) Why keep the 1918 flu virus in the freezer? (2) Where do all fly viruses get their start? (3) How does the avian flu and 1918 flu kill people? (4) Why can't the bird flu transfer from human to human? (5) Why would someone in the lab want to give the bird flu the ability to go from human to human? (6) How are they are trying to give bird flu that ability (in the lab)? (7) How many people were killed in th 1918 flu epidemic? (8) How many people were killed by the plague-"The black death"? (9) What is an epidemic? (10) What caused the plague and how did it spread?
 * so that they can research more data and experiment with it in case another virus epidemic broke out that they could use that to see if it were similar. it is kept in the freezer so that it doesn't evaporate and can be kept all together.
 * they get them from birds through their digestive system and through their waste.
 * they get into the body and latch into a cell then that cells replicates and infects other cells with the same virus.
 * because it doesn't have the right H to connect with the human cell.
 * [[image:8243_lores.jpg]]
 * to see how they can stop it from going to human to human before alot more people get it.
 * their trying t change the H in the lab to give it that ability of the 1918 virus,
 * about 50 million
 * 30% to 60% of the population. estimated to be 450 million to between 350-375 million.
 * its a classification of a disease that is within the human population that can increase in rate.
 * spread by bacteria. they think it it was spread by rodents. it may have began in Africa and then spread through Europe.
 * [[image:96.jpg]]