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Available reporting shows debate and mixed findings about how long SARS‑CoV‑2 spike protein or spike fragments can be detected after infection or vaccination: mainstream clinical guidance and some hos...
Multiple recent studies and reports document detectable SARS‑CoV‑2 spike protein — or fragments such as the S1 subunit — persisting in circulation or tissues for months to more than a year in specific...
Natural infection and mRNA vaccination both generate spike protein exposure but reported persistence and clearance differ by study, patient group and measurement method: some ultrasensitive assays fou...