This entry ban was originally placed into effect in 1987 when there was little information on how HIV is spread, and was then codified by Congress.

WHITEHOUSE: Office of National AIDS Policy Blog

And thanks to bipartisan action to lift the entry ban on persons living with HIV, we were proud to welcome leaders from around the world to the 19th International AIDS Conference in Washington, D.

WHITEHOUSE: Presidential Proclamation -- World AIDS Day, 2012 | The White House

In Japan, the government convened a national security meeting soon after the test was detected, and later announced additional sanctions against the North, including a widening of entry ban for pro-Pyongyang ethnic Korean residents.

WSJ: North Korea Tests Nuclear Device

The International AIDS Conference returned to the United States for the first time in 22 years, thanks to President Obama concluding a successful bipartisan effort to end the entry ban on persons living with HIV.

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Ted Stevens, R-Alabama, introduced legislation in 1997, designed to begin phasing out the factory trawler fleet, ban the entry of any new factory trawlers into U.S. fisheries and cut all subsidies for construction of new factory trawlers.

CNN: Greenpeace: Industrial fishing fleet should be halved

The ban also restricts entry and travel for people with sexually transmitted diseases and leprosy.

CNN: WHO commends China on repeal of AIDS ban

We will strive for the early entry into force of the Comprehensive Nuclear Test-Ban Treaty.

WHITEHOUSE: The White House

Anyone caught since then has little chance of winning the right to stay, and faces speedy deportation and a ban of three to ten years on re-entry.

ECONOMIST: Israel presses on

Iraq's Interior Ministry, however, said the ban has been lifted in some areas, and witnesses said a vehicle entry point into Sadr City has been opened.

CNN: Sadr City fighting rages for seventh day