Practical strategies for SARS-CoV-2 RT-PCR testing in resource-constrained settings.

medRxiv : the preprint server for health sciences(2021)

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摘要
Nasal swabs are likely adequate for clinical diagnosis of acute infections to help expand testing capacity in resource-constrained settings. When collected into an RNA preservative that also inactivates infectious virus, nasal swabs yielded quantitative viral loads approximating those obtained by nasopharyngeal sampling.
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