Ji, et al., hypothesized that the virus could have been transmitted from bats to humans via snakes, which would involve homologous recombination within the S protein.
Ji na wenzake, walipendekeza nyoka kuwa wabebaji virusi kutoka kwa popo hadi kwa binadamu jambo lililohusisha ujumuishaji tena unaofanana ndani ya protini ya S.