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QPX caused observable mortalities in wild clams.
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QPX found in Barnegat Bay, NJ
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QPX found in infected clams.
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The shellfish transplant program takes hard clams from areas uncertified for shallfishing to certified waters. These cleaner waters allow for bacterial cleansing and the clams are then sold to fish markets.
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A QPX-like organism identified in diseased clams in the Mitchell River in Chatham. High clam mortality is observed for over eight months.
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QPX strikes clam plots.
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Significant die-off associated with a high prevalence of the QPX organism in both farm-raised and wild hard clam populations during the summer and fall.
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QPX found in hard clams in Wachapreague, Virginia.
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The total dockside value (i.e. amount of money paid to baymen) for hard clams harvested in New York is about $13.5 million in 2001.
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The Cape Cod Times calls QPX the “Black Plague” of clams.
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Virginia begins conducting surveys to determine QPX in both wild and cultured clams. There are other observed clam mortalities in Virginia.
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In the winter and spring of 2001, QPX is discovered in Pleasant Bay (Orleans, MA) and Barnstable Harbor (Barnstable, MA) on Cape Cod.
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The dockside value of clams affected by QPX disease outbreak is about $4-$5 million.
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QPX was found in a population of hard clams from Raritan Bay near Staten Island, NY in the summer of 2002. These clams were being harvested as part of the Raritan Bay Shellfish Transplace Program.
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Raritan Bay Shellfish Transplant Program closed to prevent spread of the QPX parasite due to its discovery in hard clams in New York waters.
