The document discusses different types of COVID-19 tests. The PCR test detects the virus's genetic material and is accurate up to 97%, showing current infection status. Antibody tests detect IgM and IgG antibodies, with IgM appearing 4-7 days after infection and IgG providing longer-term immunity. A positive IgM indicates a new infection, while IgG shows a past infection and developed immunity. The document also outlines different test result scenarios and the recommended actions.
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