how long does it take for Corona symptoms to show up ?

I heard that once you're infected by Covid-19 and tried to scan yourself it ain't be recognized as I'll be negative , so it takes some time to test positive . so how long covid-19 take to register in the scanner ?

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  • 1 month ago

    what kind of scanner is this? a scanner will not detect a virus, it takes laboratory tests to do that. Scanners convert documents to digital files.

    The incubation period is usually listed as 7-14 days 

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