Why is the mumps viruses a excellent inducer of interferon d

Why is the mumps viruses a excellent inducer of interferon during infection? Discuss your reasons.

I think its a paramyxo virus(a RNA virus). So in this replication,it produces double stranded RNA and the product of this replication is the inducer of interferons. This is the reason the mumps virus is an excellent inducer of interferon during infection.