The dodo bird did not have any fear from humans which is why they were easily hunted down by sailors. Archaeological evidences prove further the mass killings of these birds. Besides, humans also introduced some other animals such as dogs, rats, pigs, and cats which plummeted dodo bird population. Habitat loss is another primary reason for the dodo bird extinction.
The first time HPV was discovered was back in 1956 by a group of scientists. It was in 1984, when Harald zur Hausen discovered, cloned, and attributed cervical cancer to HPV 16 and 18.Throug his research, he has contributed to the production of the vaccines [6].HPV gets its name because certain strain causes warts, also known as papillomas [4].n the other hand, the high risk types, like HPV 16 and 18 have been linked to cancer of the vulva, vagina, cervix, anus and penis. [2] For the most part, most HPV infections do not pose any real harm, even if infected by multiple types.
HPV is short for human papillomavirus. HPV is a group of more than 150 related viruses. Each HPV virus in this large group is given a number which is called its HPV type. HPV is named for the warts (papillomas) some HPV types can cause.Some other HPV types can lead to cancer, especially cervical cancer. There are more than 40 HPV types that can infect the genital areas of males and females.t is most commonly spread during vaginal or anal sex. HPV is the most common sexually transmitted infection (STI). Anyone who is sexually active can get HPV, even if you have had sex with only one person. HPV is so common that nearly all sexually active men and women get it at some point in their lives.