Brazilian President Dilma Rousseff is in hospital suffering from pneumonia¹, her spokesman Rodrigo Baena says.

巴西总统狄尔玛·罗瑟夫的发言人罗德里戈·贝娜称，罗瑟夫患肺炎住院。

Dilma Rousseff took office at the beginning of the year
Ms Rousseff had been admitted to a hospital in Sao Paulo on Saturday after suffering from severe flu symptoms for several days, he said.

He added that the president would stay a second night for further tests.

Ms Rousseff, 63, had to cancel her participation² at the World Economic Forum³ in Rio de Janeiro on Friday because she felt ill.

Ms Rousseff underwent treatment for a cancer in the lymphatic system in 2009. She is said to have recovered well.

The first female president of Brazil, she was elected as the Workers' Party candidate in 2010 and inaugurated（开始，开幕） on 1 January 2011.

During the government of President Luiz Inacio Lula da Silva she was energy minister and chief of staff.