Table 2.

Cohorts of oysters used for microbiome analysis (On average, n = 8 oysters were evaluated per batch/cohort).

Cohort	Description
A	Pacific oysters before OsHV-1 challenge
B	Apparently healthy oysters soon after OsHV-1 challenge
C	Challenged oysters at or near death
D	Surviving oysters at the completion of a 7-day OsHV-1 challenge period
E	Unchallenged control oysters at the end of a 7-day trial period