Ho fumana leseli le eketsehileng ka rona hammoho le bona lihlahisoa tsohle tsa rona, ka kopo ikopanye le rona.
Melika ea hern, e thehile ka 2000, ke mofani ea etellang pele oa tharollo ea setsoriatic le bophelo le thepa ea thepa ea oksijene. Nalane ea rona ea 22, re baka boleng ba bophelo bo botle ba motho ka ho nkhathatsa ho tsoela pele. Re ile ra re tšoara li-lotent tse 45, 'me ra ba le li-racterial tsa rona tsa baktheria tse lahliloeng tsa baktheria tse sa lumellaneng le FDARe.
Ho tataisoa ke molao-motheo oa bophelo bo tsoelang pele le lipaki le likollere tsa tsebahalang tse tsebahalang, Heern li thehile sehlopha sa lipatlisiso tse fetang 60. Re nkile ba saense ea 15 ea saense le mahlale le mahlale le a masepala, ba fumane 45 China ea tumello ea tumello ea li-itente le tse 9 tsa ho qaptjoa. Re beha boiteko bo matla le matsete la airhericary lab, anesesiasia lab, sesebelisoa sa motlakase sa motlakase, elektrorger
Ho hlophisoa ke karolo ea bohlokoa ea khoebo ea rona libakeng tsohle, ho re thusa ho fana ka tharollo e matla ea ho fana ka tharollo e sebetsang ea ho fihlela litlhoko tse theko e boima. Re khothaletsa mefuta-futa ea mahlale a morao-rao 'me re amohele likhopolo-taba. Ho kopanya seo ka ho kopana ha setsi sa rona sa tlhahiso ho tlisa lihlahisoa tsa boleng bo holimo. Boleng ba tlhahiso ea selemo bo fihlang $ 240,000,000 ke bopaki bo matla ba tlhahiso ea rona. Re fana ka tharollo ea ho shebella linaha tsa indasteri e mabapi le linaha tse fetang 50, e koahelang Amerika Leboea le Amerika Bochabela, Asia le Afrika.
Ha lihlahisoa tse fetang limilione tse peli tse entsoeng ka khoeli le khoeli, boleng bo tlameha ho etsoa ka likarolo tsohle tsa lihlahisoa tsa rona, ho tloha tlhahlobo ea ho qetela, ho kenyelletsa tlhahlobo ea lihlahisoa tsa rona ka mor'a moo. Boitlamo ba rona ba ho hlahisa boiketlo ba ho se be le katleho bo lula bo le matla joaloka letsatsi la pele la leeto la rona.