In particular, given that 80% of animals in the Guangzhou market show anti-SARS-CoV antibodies, the possibilities that several species of small mammals could also serve as amplifying intermediate hosts cannot be excluded.
Vipengele vya kimatibabu vya maambukizi ya HCoV-OC43 huonekana kuwa sawa na vile vinavyosababishwa na HCoV-229E, ambavyo haviwezi kutofautishwa kidalili na vile vya maambukizi kutoka kwa virusi vingine vya njia ya kupumua kama vile virusi vya influenza A na rhinoviruses.