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The stickleback fish can survive under a wide range of temperatures and are found in both fresh and marine water in the temperate region of the Northern Hemisphere ....
Novel Coronavirus Jumped From Bats To Humans With Very Little Change : Scientists The new study revealed that for the first 11 months of the Covid-19 pandemic, there has been very little important genetic change observed in the coronavirus. Representational Image Outlook Web Bureau 2021-03-14T15:54:44+05:30 Novel Coronavirus Jumped From Bats To Humans With Very Little Change : Scientists outlookindia.com 2021-03-14T16:00:57+05:30 A new study suggests that the ability of the novel coronavirus to spread from one person to another likely evolved in the flying mammal prior to it jumping to its new human host. It analysed that the progenitor of the virus underwent very little change to adapt to humans from bats ....
The Atlantic The most concerning versions of the virus are not simply mutating they’re mutating in similar ways. Simoul Alva For most of 2020, the coronavirus that causes COVID-19 jumped from human to human, accumulating mutations at a steady rate of two per month not especially impressive for a virus. These mutations have largely had little effect. But recently, three distinct versions of the virus seem to have independently converged on some of the same mutations, despite being thousands of miles apart in the United Kingdom, South Africa, and Brazil. (A mutation is a genetic change; a variant is a virus with a specific set of mutations.) The fact that these mutations have popped up not one, not two, but now three times that we know of in variants with unusual behavior suggests that they confer an evolutionary advantage to the virus. All three variants seem to be becoming more common. And all three are potentially more transmissible. ....