How is disinformation created and spread, and how is it impacting the way journalists work? We'll look at what's going on in Latin America, Russia and Nigeria with the help of three World Service journalists: Luis Fajardo is a senior editor with BBC Monitoring, covering South American media; Olga Robinson, also with Monitoring, is a disinformation analyst specialised in Russian affairs; and Olaronke Alo is part of the Disinformation Unit in Nigeria. Produced by Alice Gioia and Caroline Ferguson (Photo: Faranak Amidi. Credit: Tricia Yourkevich)