An uncounted number of extra people have died, and 2.5 million have lost access to medicine to block the spread of HIV and AIDS. That's because of huge cuts to global aid programmes since US President Donald Trump returned to the White House in January. UNAIDS warns that unless the situation improves, the funding cuts will mean an extra 3.3 million people will be infected by HIV over the next five years. On World AIDS Day, we spoke in Perspective to Christine Stegling, Deputy Executive Director of the Policy, Advocacy and Knowledge Branch of UNAIDS.