flu+homework+kr

=Flu Homework=

Keaton Rye
So we can try to ways to prevent it from occurring again.
 * 1. Why keep the 1918 flu virus in the freezer?**

The get there start in the birds. Or as i saw on the history channel they may come from comment dust.
 * (2) Where do all fly viruses get their start?**

The avian flu and the 1918 flu killed people by the hemagglutinin of the type of flu attacking cells in the body and replicating themselves inside the cells.
 * (3) How does the avian flu and 1918 flu kill people?**

The bird flu can't transfer from human to human because the virus doesn't have the correct hemagglutinin to transfer
 * (4) Why can't the bird flu transfer from human to human?**

So they could figure out a way to stop it.
 * (5) Why would someone in the lab want to give the bird flu the ability to go from human to human?**

They give the bird flu that ability by changing the type of hemagglutinin the bird flu has with the 1918 flu.
 * (6) How are they are trying to give bird flu that ability (in the lab)?**

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

it is unknown but about 75-200 million were killed
 * (8) How many people were killed by the plague-"The black death"?**

It is a virus that spreads killing many humans
 * (9) What is an epidemic?**

over crowding and 1 person got it and it spread easly through human to human. It might have come from rats in the cities.**
 * (10) What caused the plague and how did it spread?