Schematic outlining the findings of the study. Prior to exposure to pathogenic P. vranovensis, worms are naively attracted to both P. vranovensis, and the non-pathogenic P. mendocina. Exposure to P.

Now, scientists say that viruses carried by these worms may be one reason they cause ... of a whole other area of research on virology, pathology and more," Elodie Ghedin, a parasitologist and ...