Most HPV infections don't lead to cancer. But some types of genital HPV can cause cancer of the lower part of the uterus that connects to the vagina (cervix). Other types of cancers, including cancers of the anus, penis, vagina, vulva and back of the throat (oropharyngeal), have been linked to HPV infection.
USA has 50 states since 1959. The flag has 50 stars, one for each state. The District of Columbia is a federal district, not a state. Many lists include DC and Puerto Rico, which makes for 52 states and other jurisdictions.
How many states are there? The United States is comprised of 50 states plus the District of Columbia. There are also five U.S. territories throughout the world: Guam, the U.S. Virgin Islands, American Samoa, Puerto Rico and the Northern Marianas Islands.