They are staffed with quarantine medical and public health officers from CDC. These health officers decide whether ill persons can enter the United States and what measures should be taken to prevent the spread of infectious diseases.
[ËpweÉ¾to Ëriko]), officially the Commonwealth of Puerto Rico (Spanish: Estado Libre Asociado de Puerto Rico, literally the Free Associated State of Puerto Rico), is a United States territory located in the northeastern Caribbean.uerto Rico's rich history, tropical climate, diverse natural scenery, renowned traditional cuisine and attractive tax incentives make it a popular destination for visitors from around the world.
Puerto Rico is a U.S. territorial island in the Caribbean, so it does not share land boundaries with any other country. There are neighboring islands (Haiti & the Dominican Re â¦ public to the Northwest, and the Virgin Islands to the Southeast), but these are separated by expanses of the Caribbean Sea.uerto Rico and the US Virgin Islands are both territories if the United States so there is no national border there even in the territorial waters they share. The US Virgin Island's territorial Waters border the British Virgin Islands Territorial waters. That would be the nearest international boundary to Puerto Rico.