No you don't, covid is infectious before it's symptomatic. Australia and China tried the closest working thing to that (incoming quarantine) and it was extremel

No you don't, covid is infectious before it's symptomatic. Australia and China tried the closest working thing to that (incoming quarantine) and it was extremely expensive and eventually failed. China also claims they've found it in fomites (inanimate objects) like frozen food shipments. Though, I dunno if I believe that one.