Researchers are developing a portable device that gives rapid, accurate test results with the help of a regular smartphone camera. By estimating the number of virus particles in samples, the device could also determine an infection’s progress.

The new test uses a different technology called CRISPR, which the researchers believe can reliably detect the RNA, or genetic material, of SARS-CoV-2 without amplifying it first.

This means that it is possible not only to detect the presence of the virus but also to estimate the number of virus particles, which is a good indicator of the infection’s progress. Cas13a is an enzyme that cleaves RNA molecules. By combining it with a strip of “guide RNA,” scientists can target it at a telltale sequence in a particular virus’s RNA.

Coronavirus Cases:

69.363 million


1.578 million


48.116 million

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