The difference between these three types of zebras is only about where do zebras live and the answer is that they live at different places. One type of zebra wants to live on mountains and is known as a mountain zebras. Second type lives on plain, grassy lands and is called as Burchell's zebras. Third type of these animals is better known as Grevy's zebras. These zebras are the largest of all three types of the species.
Other viruses can also cause hepatitis (hepatitis A virus, for example), but only HBV and HCV can cause the long-term (chronic) infections that increase a personâs chance of liver cancer. In the United States, less than half of liver cancers are linked to HBV or HCV infection.iruses that can lead to cancer. Viruses are very small organisms; most canât even be seen with an ordinary microscope. They are made up of a small number of genes in the form of DNA or RNA surrounded by a protein coating.
Some of the most common or best known viruses include the human immunodeficiency virus (HIV), which is the virus that causes AIDS, the herpes simplex virus, which causes cold sores, smallpox, multiple sclerosis, and the human papilloma virus, now believed to be a leading cause of cervical cancer in adult women. virus is defined as any of a various number of submicroscopic parasites that can infect any animal, plant or bacteria and often lead to very serious or even deadly diseases. A virus consists of a core of RNA or DNA, generally surrounded by a protein, lipid or glycoprotein coat, or some combination of the three.