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A: A flowchart showing the general steps of (A) the FDA standard for “Concentration, Extraction, and Detection of Norovirus and Hepatitis A virus in Soft Fruit” with RT-qPCR as an endpoint and the (B) modifications made to optimize the recovery of infectious SARS-CoV-2, an enveloped virus, from berries with infectivity assay as an endpoint. The flowchart was created using BioRender.com.
