BUENOS AIRES (Reuters) - The president of Argentina, Alberto Fernández, and several of his ministers began preventative isolation after coming in close contact with an official infected with coronavirus, the government said in a statement late on Wednesday. Fernández tested negative for COVID-19 but will nonetheless remain in isolation, the statement said. His foreign and interior ministers, as well as the Minister of Women, Gender and Diversity are still awaiting the results of their respective tests.