Elton John and Charlize Theron are among a number of world leaders on HIV who have written an open letter to Boris Johnson asking for his help.Drawing the British Prime Minister’s attention towards a new AIDs emergency, John and Theron have asked Johnson to address the issue at the forthcoming G7 summit.“We face a new AIDS emergency, and we need your help,” the letter begins.“While naturally Covid-19 is currently dominating the agenda, it is vital that you and your fellow leaders also protect