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.
Vulvar cancer. HPV can also cause cancer of the vulva, which is the outer or external part of the female genital organs. Nearly 7 out of 10 vulvar cancers and almost all vulvar pre-cancers are linked to infection with the high-risk HPV types.This is a much less common cancer than cervical cancer.hese types are called âhigh-riskâ because they can cause cancer. Doctors worry more about the cell changes and pre-cancers linked to these types, because they are more likely to grow into cancers over time. Common high-risk HPV types include HPV 16 and 18.
1 Human papillomavirus (HPV) infection â May be one of the risk factors. 2  This viral infection has been implicated in cervical cancer causation among women and oral cancers in general. 3  Helicobacter pylori infection is related to stomach cancer and may or may not be associated with esophageal cancer.