,.(,)?:,:,:(),:.“,”.“,”.:():.(),(折射）（合胞体）,，l ().l .,(细小病毒),.l .l .l .,:,.:.,.().(,.).:,.A.B.C.D.,.,.:.(,).:,(),:,.（）()：.()：.()：,.,Questions1.What are the lab diagnostic methods for viral infections?2.Compare advantages and disadvantages of Attenuated and inactivated vaccines3.What are the types of commonly used antiviral agents?
