A woman sits inside a mosquito tent near a polling station located in a school during a referendum in the town of Abyei
A woman sits inside a mosquito tent near a polling station located in a school during a referendum in the town of Abyei October 29, 2013. Tens of thousands of residents in the remote and disputed Abyei border region voted on Monday in a non-binding referendum on whether to join Sudan or South Sudan despite fears it could trigger violence. REUTERS/Goran Tomasevic (ABYEI - Tags: CIVIL UNREST POLITICS ELECTIONS)
A woman prepares food to serve in restaurant near polling station located in a school in Abyei
A woman prepares food to serve in her restaurant near a polling station located in a school in Abyei October 28, 2013. Tens of thousands of residents in the remote and disputed Abyei border region voted on Monday in a non-binding referendum on whether to join Sudan or South Sudan despite fears it could trigger violence. The ownership of Abyei was left undecided when South Sudan declared independence from Sudan in 2011 and a long-promised official plebiscite on its status has been stalled by arguments over can vote, prompting the local referendum initiative. REUTERS/Andreea Campeanu (ABYEI - Tags: CIVIL UNREST POLITICS ELECTIONS)
A woman walks with cattle near polling station located in a school in Abyei
A woman walks with cattle near polling station located in a school in Abyei October 28, 2013. Tens of thousands of residents in the remote and disputed Abyei border region voted on Monday in a non-binding referendum on whether to join Sudan or South Sudan despite fears it could trigger violence. The ownership of Abyei was left undecided when South Sudan declared independence from Sudan in 2011 and a long-promised official plebiscite on its status has been stalled by arguments over can vote, prompting the local referendum initiative. REUTERS/Andreea Campeanu (ABYEI - Tags: CIVIL UNREST POLITICS ELECTIONS ANIMALS)
A woman inks her finger after voting in polling station located in a school in Abyei
A woman inks her finger after voting in a polling station located in a school in Abyei October 28, 2013. Tens of thousands of residents in the remote and disputed Abyei border region voted on Monday in a non-binding referendum on whether to join Sudan or South Sudan despite fears it could trigger violence. The ownership of Abyei was left undecided when South Sudan declared independence from Sudan in 2011 and a long-promised official plebiscite on its status has been stalled by arguments over can vote, prompting the local referendum initiative. REUTERS/Andreea Campeanu (ABYEI - Tags: CIVIL UNREST POLITICS ELECTIONS)
A man pours drinking water at a former school near polling station in Abyei
A man pours drinking water at a former school near polling station in Abyei October 28, 2013. Tens of thousands of residents in the remote and disputed Abyei border region voted on Monday in a non-binding referendum on whether to join Sudan or South Sudan despite fears it could trigger violence. The ownership of Abyei was left undecided when South Sudan declared independence from Sudan in 2011 and a long-promised official plebiscite on its status has been stalled by arguments over can vote, prompting the local referendum initiative. REUTERS/Andreea Campeanu (ABYEI - Tags: CIVIL UNREST POLITICS ELECTIONS SOCIETY EDUCATION TPX IMAGES OF THE DAY)
A man sits in a former school near a polling station in Abye
A man sits in a former school near a polling station in Abyei October 28, 2013. Tens of thousands of residents in the remote and disputed Abyei border region voted on Monday in a non-binding referendum on whether to join Sudan or South Sudan despite fears it could trigger violence. The ownership of Abyei was left undecided when South Sudan declared independence from Sudan in 2011 and a long-promised official plebiscite on its status has been stalled by arguments over can vote, prompting the local referendum initiative. REUTERS/Andreea Campeanu (ABYEI - Tags: CIVIL UNREST POLITICS ELECTIONS)
Thousands vote in referendum on fate of Sudan's disputed Abyei
Voters are expected to back joining South Sudan
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The vast majority of victims in 2012 were nationals working on aid projects in their home countries
Women wait to vote inside a polling station located in a school during a referendum in the town of Abyei
Women wait to vote inside a polling station located in a school during a referendum in the town of Abyei October 28, 2013. Residents of the remote and disputed Abyei border region said they would press ahead with their own referendum on whether to join Sudan or South Sudan, despite warnings it could trigger violence in the volatile area. REUTERS/Goran Tomasevic (ABYEI - Tags: CIVIL UNREST POLITICS ELECTIONS TPX IMAGES OF THE DAY)
In South Sudan, simple messages deliver dramatic results in tackling epidemic among refugees
Encouraging behavior change among refugees was central to containing an outbreak of the liver ailment hepatitis E.