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S1 in CD16+ monocytes: biomarker evidence

S1 in CD16+ monocytes appears in 1 entry of the OSMF biomarker atlas, covering PACVS. Across those entries it is elevated in 1. It is currently reported in a single condition in this atlas; cross-condition comparison will be added as the dataset grows. Each row below links to a page with the comparison group, associated symptoms, test details and primary citation.

PACVS

Where S1 in CD16+ monocytes is reported

Also listed as: Intracellular spike persistence

ConditionDirectionCompared againstAssociated symptomsSource
PACVS↑ elevatedSARS-CoV-2-negative post-COVID-vaccination syndromePersistent antigenemia up to 245 daysPatterson et al. 2025

Frequently asked questions

In which conditions is S1 in CD16+ monocytes altered?

In the OSMF atlas S1 in CD16+ monocytes is reported in PACVS. It is elevated in 1 across 1 entries.

Is there a standard clinical test for S1 in CD16+ monocytes?

The atlas entries for S1 in CD16+ monocytes do not carry a LOINC code, which usually means the marker was measured with research assays or study-specific methods rather than a routine clinical panel.

Is one abnormal S1 in CD16+ monocytes result diagnostic?

No single biomarker result is diagnostic of any of these conditions. Findings reflect group averages from published cohorts with substantial overlap between patients and controls.

Cite this page

Open Source Medicine Foundation. (2026). S1 in CD16+ monocytes across conditions: biomarker evidence. OSMF Research Tracker. Retrieved October 7, 2026, from https://research.opensourcemed.info/biomarkers/markers/s1-in-cd16-monocytes.html
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Last reviewed: 2026-06-30 · Browse: Biomarker Index · All marker pages · Biomarker Atlas

Disclaimer: Educational synthesis of peer-reviewed research; not medical advice. Findings are group-level and vary with study design. Discuss any result with a qualified clinician.