Jabruson Motion / Close-up of a vet preparing drug for darting a Sumatran orangutan (Pongo abelii), part of a relocation programme, Sei Serdang, Prima, Batang Serangan, Langkat, North Sumatra, Indonesia, 2015.

Tom Marshall / Licenced Wildlife Trust vaccinator preparing badger bovine TB vaccine in the field wearing PPE. Cheshire, England, UK, May 2013.

Doug Gimesy / Boobok owl (Ninox boobook) chick held by veterinary nurse while blood is taken for analysis. Chick treated for head trauma, likely caused by bird attack. Currumbin Wildlife Hospital, Gold Coast, Queen...

Neil Aldridge / A vaccinator prepares a syringe before vaccinating a European badger (Meles meles) against TB. North Somerset, UK. Badger vaccination programmes are being carried out in England as a means of controll...

Neil Aldridge / A vaccinator prepares a syringe before vaccinating a European badger (Meles meles) against TB. North Somerset, UK. . Badger vaccination programmes are being carried out in England as a means of contro...

Neil Aldridge / A vaccinator preparing to inoculate a European badger (Meles meles) against TB uses plastic wickets to restrict the animal's movement in a cage trap. North Somerset, UK. Badger vaccination program...

Neil Aldridge / A case with two syringes containing TB vaccine for badgers and a pair of scissors being used during a European badger vaccination programme in North Somerset, UK. Badger vaccination programmes are bei...