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CoronaVac

Sinovac vaccine against COVID-19

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Nov 22, 2025
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How long after a COVID vaccine can blood test abnormalities persist and when should testing be delayed?

Available studies show COVID-19 vaccination can be associated with short‑term, typically uncommon changes in blood counts and some serologic tests — most abnormalities were transient within days to a ...

Nov 29, 2025

What mechanisms cause transient blood test abnormalities following COVID vaccination?

Clinical studies and case series report transient blood-test abnormalities after COVID-19 vaccination, most commonly thrombocytopenia/ITP, transient neutropenia and short-lived changes in coagulation ...