May 02, 2009
Presidents Obama and Calderon spoke for 20 minutes this afternoon to share information about each country's efforts to limit the spread of the 2009 H1N1 flu strain and the importance of close U.S.-Mexican cooperation.
Barack Obama, Readout of Phone Call Between Presidents Obama and Calderon Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/289581