seroreactive means that reacts (e.g. to a virus) in blood serum. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From sero- + reactive.
adj
- That reacts (e.g. to a virus) in blood serum“Testing 1,333 at-risk donors, none (0.0%; 95%, CI 0.0–0.4%) was seroreactive for IgG antibodies to T.”