Genome study finds 11 preliminary sources for COVID-19 in Arizona


At least 11 people infected with coronovirus have traveled to Arizona and given the disease to others, starting local transmission chains, the state’s first coronovirus outbreak starting in mid-February, according to a newly published letter started.

Looking at the genome sequenced from virus samples collected in March and early April, researchers found that 80% of the studied genome stems from those 11 people. Researchers found that they arrived via domestic travel, but the genome could eventually be traced to virus lineages that were massively transmitted to Europe before arriving in the United States.

They are among the findings of the first paper published by the Arizona COVID-19 Genomics Union, which was translated into the outbreak by researchers at the Translational Genomics Research Institute and three universities in Arizona. His peer-reviewed findings appear in “mBio” magazine.

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They found that a person at Arizona State University, who was isolated with COVID-19 in January, did not infect anyone else, after traveling to the center of the outbreak in Hubei Province, China.

“We were able to determine that public health interventions work,” Brendan Larsen, a Ph.D. A student at the University of Arizona who is working on the project.

The paper looks at only a fraction of the 3,000 Arizona viral genomes that have been mapped so far. Scientists eventually hope to map 10,000 genomes and publish more findings.

Using powerful computers, researchers can pinpoint random mutations in the genome of viral samples and build a type of family tree that shows lineages from a sample that came before it.

The State Department of Health Services reported 695 new COVID-19 cases on September 16, the most in nearly two weeks, and 27 new deaths. The number of Inpatient hospital beds and ventilators used by COVID-19 patients remained stable, which had been below the peak since mid-July. But emergency room visits by patients suspected of COVID-19 lasted to 916 after remaining well below 900 since the beginning of September.

Arizona COVID-19 Resources, Frequently Asked Questions: azdhs.gov/coronavirus

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