A number of popular commentators provide a picture of Dr Fauci and Barack Obama with the above caption, on their websites.
A simple search of Getty Images provides a number of similar pictures from 2nd December 2014. The picture is of Dr Fauci and Barack Obama in December at Vaccine Research Centre in Betheseda, Maryland with the US Secretary Health an Human Services. The meeting was relating to Ebola Research for an Ebola vaccine.
Melinda Gates was not present.
Below is the description from one of the Getty Images from that day.
BETHESDA, MD – DECEMBER 02: U.S. President Barack Obama (R) listens to Chief of the Biodefense Research Section Nancy Sullivan (2nd L) as Secretary of Health and Human Services Sylvia Burwell (L) and Director of National Institute of Allergy and Infectious Diseases Anthony Fauci (3rd L) look on as he tours the Vaccine Research Center at the National Institutes of Health December 2, 2014 in Bethesda, Maryland. President Obama visited the facility to discuss the ongoing fight against Ebola. (Photo by Alex Wong/Getty Images)