Because of this highly modified system of host immunosuppression , a high level of parasitoid - host specificity is not surprising .
Through the evolutionary history of being used by the wasps , these viruses apparently have become so modified , they appear unlike any other known viruses today .
Highly modified system of host immunosuppression , a high level of parasitoid - host specificity is not surprising .
Through the evolutionary history of being used by the wasps , these viruses apparently have become so modified , they appear unlike any other known viruses today .