US business magnate Bill Gates (L) and Prime Minister of Norway Erna Solberg talk during a two-day pledging conference of the Global Alliance for Vaccines and Immunisation (GAVI) organisation in ... more 
US business magnate Bill Gates (L) and Prime Minister of Norway Erna Solberg talk during a two-day pledging conference of the Global Alliance for Vaccines and Immunisation (GAVI) organisation in Berlin, on January 27, 2015 (AFP Photo/Tobias Schwarz) less 
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AFP | Photo By Tobias Schwarz / AFP
Tue, Jan 27, 2015 11:18 PM EST