It is only through this method that researchers can be sure that the virus is not a residue of the ingested human blood, and that the virus has actually taken root and propagated in the mosquito. Only this type of mosquito has the capability to spread the disease.
這樣培養出的病毒，才能確定不是人體血液中殘留下來、而是病毒在蚊體內生根後繁殖出來的，這種蚊子才真有散播病毒的能力。