Abstract
The diagnostic and therapeutic approaches towards the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic were a global challenge, and the reverse transcription polymerase chain reaction of virus RNA isolated from nasopharyngeal swabs has become a common tool to confirm the clinical diagnosis of coronavirus disease 2019. Available evidence suggests, that Whatman™ Flinders Technology Associates™ (FTA) cards are a reliable option for the safe transport and storage of viral RNA pathogens. In 2021 FTA cards were shown to be suitable for the stable preservation of SARS-CoV-2 RNA derived from nasopharyngeal swabs even at elevated storage temperatures. Subsequently, another study identified Whatman filter paper to be a cheaper alternative with respect to the stable storage SARS-CoV-2 RNA at room temperature. This correspondence is meant to discuss the performance of both FTA cards and filter paper also scrutinizing performance calculations and respective evaluations.
Published Version
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