The primary source of infection was the oospore overwintered in soil and plant survival.

其主要侵染来源是土壤中和植物病残体上越冬的卵孢子。

Experiments indicated that Vibrio Cholerae overwintered through the viable but non-culturable state.

实验还证明霍乱弧菌的越冬是通过活的非可培养状态实现的。