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Contact: Phil Sahm phil.sahm@hsc.utah.edu 801-581-2517 University of Utah Health Sciences Study helps explain how large DNA viruses undergo rapid evolution SALT LAKE CITY – Scientists have discovered that poxviruses, which are responsible for smallpox and other diseases, can adapt to defeat different host antiviral defenses by quickly and temporarily producing multiple copies of a gene…

>> Carl Zimmer and Apoorva Mandavilli, The New York Times Published: 16 May 2021 05:12 PM BdST Updated: 16 May 2021 05:12 PM BdST Coronavirus test samples are loaded into a workstation in a lab at Duke University in Durham, NC, Feb 3, 2021. The country has managed to avoid a variant-fuelled spike in coronavirus cases. The New York Times On Dec 29, a National Guardsman in Colorado became the first known case in the United States of a contagious new variant of the coronavirus. "); } The news was unsettling. The variant, called B.1.1.7, had...

In fact, B.1.1.7 seems to have the edge over nearly every variant identified so far. At a congressional hearing on Tuesday, Dr. Rochelle P. Walensky, the director of the Centers for Disease Control and Prevention, said B.1.1.7 made up 72 percent of cases in the country. “We’re really seeing B.1.1.7 pushing out other variants decisively,” said Emma Hodcroft, an epidemiologist at the University of Bern. The variants identified in California and New York turned out to be only moderately more contagious than older versions of the virus, and much of their initial success may have been luck. ...

Over 20 dead, millions struggle without power as cold snap grips US Agencies February 17, 2021 Washington, Feb 17: Millions were left without power as a winter storm gripped the southern and central United States on Tuesday with record-low temperatures in ill-prepared areas, and a tornado claiming three lives. More than 20 storm-related deaths have been registered so far, including in traffic accidents in Texas, Kentucky and Missouri, according to local media. In hardest-hit Texas — where freezing conditions prompted utility companies to implement rotating blackouts — a woman and girl die...