The 2001 anthrax attacks United States linked microbiologist , Bruce Ivins , working US Army BL4 laboratory.These high security laboratories thus provided fertile ground development highly extravagant conspiracy theories.It also true ancient deadly viruses resuscitated laboratory , new viruses created genetic manipulation research purposes , viruses already disseminated wild countries.In 2005 , 1918 Spanish influenza virus genetically engineered tested laboratory better understand exceptional virulence.In 2012 , H5N1 flu virus modified laboratory give ability infect ferrets air understand virus could mutate infect humans route.In 2017 , Australian government authorised spread strain rabbit hemorrhagic disease virus ( RHDV1 K5 ) reduce population wild rabbits territory .