First case of South African COVID variant identified in Washingon
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Vaccines, comorbidities, immunity: Answering your COVID questions
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A toxin produced by bacteria as a defence mechanism causes mutations in target bacteria that could help them survive, according to a study published today in
eLife.
The finding suggests that competitive encounters between bacterial cells could have profound consequences on the evolution of bacterial populations.
When bacterial cells come into contact, they often produce toxins as a defence mechanism. Although it is known that the bacteria producing these toxins have a competitive advantage, exactly how the toxins affect the recipient cells is less clear. Undergoing intoxication is not always detrimental for cells - there are scenarios in which encountering a toxin could provide a benefit, such as generating antibiotic resistance, explains lead author Marcos de Moraes, Postdoctoral Scholar at the University of Washington School of Medicine, Seattle, US. We wanted to study the effects of a toxin that alters DNA beyond that of cell death and see how it impacts the surv
First case of B.1.351 variant identified in Washington State as cases of B.1.1.7 increase WA Department of Health | Feb 23, 2021
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The Washington State Department of Health (DOH) along with Public Heath – Seattle & King County and the UW Medicine Virology Lab, announce that the B.1.351 variant of SARS-CoV-2 has been detected in King County, WA.
The variant, initially identified in South Africa, was identified yesterday through genomic sequencing at the UW Medicine Virology Laboratory. The patient tested positive for COVID-19 on January 29, 2021. Other details about the case, including travel history are not available as the person was not able to be reached through contact tracing efforts.