Tom Vezo / White faced ibis feeding {Pledagis chihi} Texas, USA

Eric Baccega / Caucasian woman applying antibiotic ointment to a burned himba child. Burns from the open fires or embers are among the most common injuries, especially in children, Marienfluss Valley, Kaokoland Dese...

Nick Upton / Adult male Grey seal (Halichoerus grypus) 'Flipper' touching nose to target stick while keeper Kate Owen treats a grazed tail with antibiotic spray. Gweek, Cornwall, UK, November. Model released.

Nick Upton / British Divers Marine Life Rescue veterinarian Darryl Thorpe using antibiotic spray on a bite wound on the flipper of a Grey seal pup (Halichoerus grypus) 'Jenga' in a cubicle at a BDMLR seal pup trea...

Nick Upton / Veterinarian Dewi Jones injecting antibiotics into the rump of a sick Holstein Friesian cow (Bos taurus) held in a crush, Gloucestershire, UK, September 2014. Model released.

Nick Upton / Veterinarian Dewi Jones injecting antibiotics into the ear of a Charolais calf held still in a crush by a farmer, Wiltshire, UK, September 2014. Model released.

Piotr Naskrecki / Leafcutter Ant (Acromyrmex sp) carrying worker covered with spores of antibiotic bacteria that help the ants control the growth of parasitic fungi within their fungal gardens, Guyana

Jeff Rotman / Aquarium Scientists inject antibiotic into Zebra shark (Stegostoma fasciatum) in aquarium, Manly Oceanworld, Sydney, New South Wales, Australia.

Jane Burton / Domestic Cat {Felis catus} 10-week, Cream tabby male kitten, being held firmly ready for antibiotic drops in ear.

Jane Burton / Domestic cat (Felis catus) 10-week, Silver tabby male kitten, being given antibiotic eye drops. Editorial use only.

Alex Mustard / Scuba diver treating coral colonies infected with Stony Coral Tissue Loss Disease (SCTLD) with antibiotic paste (amoxicillin) from a syringe. This is following NOAA, AGRRA protocols, and in collaborat...

Alex Mustard / Scuba diver treating coral colonies infected with Stony Coral Tissue Loss Disease (SCTLD) with antibiotic paste (amoxicillin) from a syringe. This is following NOAA, AGRRA protocols, and in collaborat...

Doug Gimesy / Researcher Ida Lundback (right), with the assistance of volunteer Naomi Wells (left), prepares to take a faecal sample from a captured Little Blue Penguin (Eudyptula minor) before returning it back to...