So far, 27 people have died and it is estimated that over 2 million people have been affected by the current rains.
The current rainy season, which began in October 2011, is worsening. Brazilian authorities estimate that 2.1 million people have been affected, mostly in the states of Minas Gerais and Rio de Janeiro. Some 38,000 people have fled their homes and 13 have died.
BBC News 2012/01/05
About 10,300 people have been evacuated, and 3,000 homes have been destroyed.