▁handling ▁of ▁the ▁mon keys , ▁the ▁sympt oms ▁are ▁generally ▁the ▁same ▁observed ▁in ▁the ▁mon keys . ▁There ▁have ▁only ▁been ▁a ▁few ▁cases ▁of ▁the ▁virus ▁transm itting ▁to ▁humans , ▁with ▁little ▁documentation . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Category : Ch ord op ox vir inae <0x0A> </s> ▁R - 2 0 0 0 ▁is ▁a ▁Natural ▁Resources ▁Canada ▁( NR Can ) ▁program ▁that ▁was ▁developed ▁in ▁partners hip ▁with ▁the ▁Canadian ▁Home ▁Build ers ' ▁Association ▁in ▁ 1 9 8 1 , ▁and ▁formal ized ▁as ▁a ▁standard ▁in ▁ 1 9 8 2 . ▁ ▁Not ably , ▁the ▁R - 2 0 0 0 ▁standard ▁is ▁a ▁volunt ary ▁standard ▁to ▁exceed ▁building ▁code ▁requirements ▁for ▁energy ▁efficiency , ▁ind oor ▁air ▁quality , ▁and ▁environmental ▁responsibility . ▁ ▁The ▁R - 2 0 0 0 ▁program ▁is ▁managed ▁by ▁NR Can ' s ▁Office ▁of ▁Energy ▁E ffic iency ▁and ▁compr ises : ▁ ▁R - 2 0 0 0 ▁standard ▁- ▁technical ▁specific ations ▁ ▁quality ▁ass urance ▁ ▁cert ification ▁ ▁training ▁and ▁lic ens ing ▁of ▁build ers ▁and ▁service ▁prov iders ▁ ▁consumer ▁information ▁ ▁In ▁May ▁ 2 0 0 8 , ▁the ▁CH BA ▁published ▁an ▁internal ▁discussion ▁paper ▁propos ing ▁changes ▁to ▁the ▁R - 2 0 0 0 ▁standard ▁so ▁it ▁would ▁remain ▁at ▁the ▁fore front ▁as ▁the ▁reference ▁model ▁that ▁influ ences ▁other ▁programs ▁or ▁initi atives . ▁ ▁See ▁also