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No way to distinguish Omicron cases from Delta, US doctors in a fix Last Updated : 04 Jan 2022 07:57:53 AM IST 
Amid rising concerns over a fresh surge in coronavirus disease (Covid-19) cases, doctors in the United States are faced with a peculiar conundrum – they have no ready way of determining which variant of the coronavirus a person is carrying. This is especially troublesome because a high-risk patient infected with the Delta variant would greatly benefit from two particular monoclonal antibody treatments, while they would do little to nothing for a patient infected with the new, highly transmissible Omicron variant – which requires a third antibody treatment.
While U.S. officials have endorsed using a workaround test that can identify Omicron’s genetic signature, experts say it’s not feasible for large health systems facing a crush of patients to employ in each case.That makes treating patients challenging in places like Maryland, where cases are spiking and Omicron accounts for roughly 58 percent of them. The Delta variant is also holding strong in the Great Plains and swaths of the West, including California.While there is no approved test to determine each individual’s variant, a national network of state and other labs use genome-sequencing tests to track variants broadly in communities. Health systems then use those regional estimates or their own data to decide which antibody treatments to use in their clinics and hospitals.IANS Washington For Latest Updates Please-
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