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COVID-19 PCR and Antibody Tests Record Negative Result in People with ‘Immune Memory’, Reveals Study – HospiMedica – Port Macquarie Online News
An observational study which analyzed the immune responses in healthcare workers has found that some of them repeatedly tested……

An observational study which analyzed the immune responses in healthcare workers has found that some of them repeatedly tested negative for COVID-19 by PCR and antibody tests, but showed an increase in immune memory cells.The findings of the study by scientists……
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