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  • Research on viral origins suggests new definition of virus may be needed

    A parasitic Cotesia wasp preparing to oviposi onto a Manduca caterpillar.

    A parasitic Cotesia wasp preparing to oviposi onto a Manduca caterpillar.

    Rights-protected photo courtesy Alex Wild

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  • Editor's note: To contact James Whitfield, call 217-778-9944; e-mail jwhitfie@illinois.edu; Don Stoltz, call 902-494-3587; e-mail dstoltz@dal.ca.