Since the outbreak began, virologists have wondered how Eurasian genes got into a North American pig.
Since the outbreak of the financial crisis, the emphasis has shifted.
Since the outbreak of hostilities in Iraq, Washington has been insistent that it the crumbling unity in the country restored.
Since the outbreak began, in October, 2010, eighty-five haverediedople hand died and seven hundred thousand have been infected.
Since the outbreak, medical experts have stressed that patients should be isolated because their diarrhea can infect others.
Since the outbreak, all hospitals have been closed throughout the country.
Since the outbreak of fighting in August 1998, at least 5.4 million people have died.
Since the outbreak of the shootings, Muslims in Italy have harshly condemned them.
Since the outbreak of Syria's civil war, this kind of thing has become a fairly common taxi conversation.
Since the outbreak was announced UNICEF has delivered 14 million doses of polio vaccines to Syria.
The latest deaths bring the city's total to 12 since the outbreak began in late April.
