| Even with depuration, HAV may persist in oysters for several weeks after exposure. |
| Among the 22 closed areas, some were available for harvesting combined with factory depuration. |
| Especially when the bivalve molluscs need to undergo relaying or depuration to be eaten raw, stress and excessive shocks of the bivalve molluscs must be avoided. |
| Water used in depuration tanks should be changed continuously or at suitable intervals or if recirculated be treated properly. |
| Retention equations have been developed for humans and may be appropriately applied to model depuration for some other mammals. |
| He said they do not think using bacteriophage as an indicator is a good methodology because depuration may not remove viruses. |
