This diagnostic test reduces the time to generate an infection diagnosis with the aid of a smartphone camera. (Image courtesy of Daniel Fletcher.)

A group of scientists has designed a CRISPR-based COVID-19 diagnostic test that is capable of generating a result in 15 to 30 minutes with the aid of a smartphone camera. Compared to the standard polymerase chain reaction (PCR) tests used, the CRISPR Cas13 protein test eliminates the need for DNA conversion and amplification steps in the analysis. …

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