Scientists hope new tests will be able to identify COVID variants in a broader swath of patients, which could improve public health surveillance and help make better treatment decisions.
on sotrovimab to exclude regions of the country where BA.2 was prevalent.
What makes this test different from the standard are color-coded probes or beacons that pick up the mutations in the virus's genetic code. Omicron has a unique combination ofin its genetic code that make it different from the original virus. So far, Tyagi and his team made enough multicolor tags to detect nine of the most common mutations in omicron and the other variants. If the delta variant is present, the test sample will glow green, for example, and for omicron, it will glow red.
“The technique is really simple,” he said. “In one week you will have a working test for any new variant that might emerge.”
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