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Coronavirus more efficient at infection after mutation; diseased lungs more receptive to virus

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Virus mutation makes it more efficient at entering cellsA genetic mutation in the new coronavirus that significantly increases its ability to infect cells may explain why outbreaks in Northern Italy and New York were larger than ones seen earlier in the pandemic.

Scientists at Scripps Research in Florida say the mutated virus was seen infrequently in March, but by April accounted for some 65% of cases submitted from around the world to the GenBank database run by the National Institutes of Health.

The mutation, designated D614G, increased the number of "spikes" the virus uses to bind to and break into cells, and made them more stable, researchers found in the study undergoing peer review.

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Southern Ontario highway partially closed due to convoy demonstrations: police - globalnews.ca - Usa - Canada - city Detroit - county Windsor
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Southern Ontario highway partially closed due to convoy demonstrations: police
convoy demonstrations against COVID-19 measures.Police said the westbound lanes of the highway at Nauvoo Road have been shut down due to “high traffic volumes” from “freedom convoy” demonstrators.Drivers in the area are being asked to follow emergency detour route signage. Windsor-Detroit Ambassador Bridge access resumes after trucker protest blocked traffic “The OPP respects the right of everyone to freedom of expression and peaceful assembly,” police said.“The OPP asks everyone to be patient and respectful of each other despite potential inconvenience.”The closure is approximately 45 km away from the Blue Water Bridge crossing between Canada and the United States in Sarnia, Ont.It’s not clear if that’s where convoy demonstrators are intending to go.Part of Highway 402 was blocked on Sunday as well due to convoy demonstrations. Police have redirected commercial traffic to the Bluewater Bridge in Sarnia, Ont., and urged motorists to avoid the area around the Ambassador Bridge in Windsor, Ont.There, a protest against COVID-19 measures is blocking Canada-bound vehicles from crossing the Ambassador Bridge between Windsor, Ont., and Detroit for a third day.More to come.— With files from The Canadian Press#LambtonOPP have implemented a closure of westbound Highway 402 at Nauvoo Road to ensure public safety.
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