According to Billboard, John, 71, will set out a vision for an Aids-free future as he calls on governments and the private sector to fulfil the United Nations' Sustainable Development Goal to end the disease worldwide by 2030.
The lecture will be delivered in partnership with the Elton John AIDS Foundation, which the singer founded in 1992
"I am delighted to be able to deliver this lecture and to remember the enormous contribution Diana, Princess of Wales made to this cause.
"In the quarter century since the Elton John AIDS Foundation was established, the global AIDS fight has changed beyond recognition. Yet tolerance and courage has never been more important in the fight to create an AIDS-free generation and make the world a more accepting place for those living with HIV," John said in a statement.
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