Write a 6 page essay on How We Can be Safe from the Bird Flu Virus.
Some diseases are serious that many animals and people get sick and die. For example, bacteria (plural of bacterium) can make people sick with diarrhea, while viruses cause Mad Cow Disease and AIDS.
The bacterium and the virus are the same in many ways, but they have some big differences. The smallest bacterium is bigger than the biggest virus (ASM, 1999). The bacteria can stay alive even if it is outside the animal, but the virus cannot. Some bacteria are useful and helpful, for example lactobacilli bacteria that help people digest food, but all viruses are not helpful at all. Which of these two germs makes us sick with influenza or flu? The virus. The influenza virus causes the sickness called influenza or flu.

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