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Haplosporidium nelsoni is a pathogen of oysters that originally caused oyster populations to experience high mortality rates in the 1950s, [1] and still is quite prevalent today. The disease caused by H. nelsoni is also known as MSX (multinucleated unknown or multinuclear sphere X).
Oysters and Manila clams distributed around the country have been recalled due to possible contamination with the highly infectious norovirus.. The shellfish were distributed to restaurants and ...
Perkinsus marinus is a species of alveolate belonging to the phylum Perkinsozoa. [1] It is similar to a dinoflagellate. [1] [2] It is known as a prevalent pathogen of oysters, causing massive mortality in oyster populations.
The majority of toxic blooms have been caused by the morphospecies Alexandrium catenella, Alexandrium tamarense, Gonyaulax catenella and Alexandrium fundyense, [3] which together comprise the A. tamarense species complex. [4] In Asia, PSP is mostly associated with the occurrence of the species Pyrodinium bahamense. [5]
The United States Food and Drug Administration issued multiple advisories on Wednesday for oysters and clams that they say could be contaminated with norovirus, a serious gastrointestinal illness.
Oysters contaminated with norovirus can cause illness if eaten raw, and potentially severe illness in people with compromised immune systems Raw oysters may be to blame for more than 150 people ...
Shellfish poisoning includes four syndromes that share some common features and are primarily associated with bivalve molluscs (such as mussels, clams, oysters and scallops.) [1] As filter feeders, these shellfish may accumulate toxins produced by microscopic organisms, such as cyanobacteria, diatoms and dinoflagellates.
People sick with a norovirus are most contagious during the illness and for a few days afterward, and the virus can remain in stools for up to two weeks after the illness. The virus can survive ...