A phylogenetic analysis shows the possibility of direct transmission of SARS from bats to humans without the intermediary of Chinese civets, contrary to what has been thought so far.
Uchunguzi wa filojenitiki unaonyesha uwezekanao wa maambukizi ya moja kwa moja kutoka kwa popo kwenda kwa wanadamu bila kizuizi cha ngawa za Kichina, kama ilivyokuwa ikiaminiwa hapo awali.