“…In IMCs infecting mytilid species in Chile, a symbiotic relationship was then suggested (Lohrmann et al, 2019). On the other hand, IMC infections directly or indirectly associated with mortality have also been reported in the United States, infecting the sea scallop Placopecten magellanicus (Gulka et al, 1983;Walter et al, 2007), the Pacific razor clam Siliqua patula (Elston, 1986) and the abalone Haliotis rufescens (Moore et al, 2000); in France and the United Kingdom (UK) infecting the king scallop Pecten maximus (Le Gall et al, 1988;Cano et al, 2018); in the Philippines and the Federated States of Micronesia infecting the giant clam Hippopus hippopus (Norton et al, 1993); in China infecting the Suminoe oyster Crassostrea ariakensis and the blood clam Tegillarca granosa (Wu and Pan, 2000;Zhu et al, 2012); in Spain, infecting the banded carpet shell Polititapes rhomboides (Villalba et al, 1999); and in New Zealand infecting the toheroa Paphies ventricosa and the tuatua Paphies subtriangulata (Taylor, 2017a,b).…”