Nigel Cattlin / Tungro virus (Rice (Oryza sativa) tungro bacilliform virus) on diseased, damaged Rice (Oryza sativa) plot, Philippines

Nigel Cattlin / Doyenne du Comice pear (Pyrus communis) fruit with deformity caused by Pear stony pit virus. Berkshire, England, UK.

Nigel Cattlin / Doyenne du Comice pear (Pyrus communis) fruit with deformity caused by Pear stony pit virus. Berkshire, England, UK. October.

Ashley Cooper / A funeral pyre burning animals infected with Foot and Mouth Disease near Longtown in Cumbria, England. UK. 2001.

Ashley Cooper / Lorry is disinfected after dropping off slaughtered carcasses of animals with Foot and Mouth Desease at the mass grave site at Orton in Cumbria, England, UK. 2001.

Ashley Cooper / Dead Sheep - culled during foot and mouth disease outbreak in North Cumbria, UK. 2001

Juergen Freund / Dr. Leo Foyle holds on to green turtle (Chelonia mydas) they named Roxy. Roxy has a severe case of fibropapillomas and has been in James Cook University lab for many weeks undergoing observation and c...

Juergen Freund / James Cook University vet and student hold on to green turtle (Chelonia mydas) they named Roxy with severe case of fibropapillomas. Townsville, Queensland, Australia, August 2011

Juergen Freund / James Cook University vet and student hold on to green turtle (Chelonia mydas) they named Roxy with severe case of fibropapillomas.Townsville, Queensland, Australia, August 2011

Simon Colmer / Trunk of the Neem tree (Azadirachta indica) member of the mahogany family, Meliaceae. Used in India for medicinal purposes: anti-fungal, anti-bacterial, ant-viral, contraceptive, sedative

Simon Colmer / Steudner's Dragon tree (Dracaena steudneri) Medicinal plant used as an anti-bacterial, anti-viral and combats high blood pressure

Pete Oxford / European Rabbit (Oryctolagus cuniculus) infected with myxomatosis, a viral infection that causes blindness and possibly death, Sierra de Andujar Natural Park, Andalusia, Spain