The infection on Vero E6 <*> could be neutralized by sera from convalescent SARS patients ,
and the entry was a pH - dependent process .
The infection on Vero E6 - a permissive cell line to SARS - CoV - could be neutralized by sera from convalescent SARS patients , and the entry was a pH - dependent process .
The infection on Vero E6 - a permissive cell line to SARS - CoV - could be neutralized by sera from convalescent SARS patients , and the entry was a pH - dependent process .