 Dr Hong Chen wo mu kigo camagara yabantu i Ontario hamwe numwe mubagize ubwo bushakashatsi, bavuze: Ukwiyongera kwabantu hamwe no kuba mu bisagara vyatumye abantu benshi begera ahari uruja nuruza rwimiduga, hanyuma uko kwegera cane umusunikano wimodokari nukwiyongera ko kwandura ingwara yikehabwenge, hamwe mbere ningaruko naho yoba ari nto yo kwegera ibarabara bishobora gutuma haba umuzigo munini kuvyo amagara yabantu. 