A large number of COVID-19 diagnostic tests are reliant on detection of viral RNA from buccal swabs by PCR. A new protocol from Porvair ... a simple method that is compatible with all manual RNA ...

Klein authorized troopers to take a buccal swab — a common technique where investigators use a cotton swab to collect DNA from the inside of a person’s cheek. Balmer previously made ...

The arresting authority will use a buccal swab collection kit to gather the sample, which will then be sent to the Tennessee ...

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