A new study led by the University of Washington finds dramatic increases in the abundance of a worm that can be transmitted to humans who eat raw or undercooked seafood. Its 283-fold increase in abundance since the 1970s could have implications for the health of humans and marine mammals, which both can inadvertently eat the worm.
https://www.eurekalert.org/pub_releases/2020-03/uow-ph031520.php
https://www.eurekalert.org/pub_releases/2020-03/uow-ph031520.php