The virus was detected in the dissected gastrointestinal tract of laboratory - exposed flies for up to 72 h post - exposure ,
whereas the untreated control flies were negative .
The virus was detected in the dissected gastrointestinal tract of laboratory - exposed flies for up to 72 h post - exposure , whereas the untreated control flies were negative .
The virus was detected in the dissected gastrointestinal tract of laboratory - exposed flies for up to 72 h post - exposure , whereas the untreated control flies were negative .