Covid-19 is back to its killing ways in Pakistan after a long break, as the virus killed three people and infected another 55 during the last 24 hours, according to figures released by the National Institute of Health (NIH) on Wednesday morning. After adding the 55 new cases, the total number of infections has reached 1,573,452 in the country. The death toll in the country now stands at 30,623.
Eight thousand eight hundred fifteen tests were conducted within the last 24 hours (Tuesday), with a positivity rate of 0.62 percent. The number of patients in critical care stood at 45. Climate change may boost Arctic’ virus spillover’ risks.
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According to a study published Wednesday, a warming climate may put viruses in contact with new environments and hosts, increasing the risk of “viral spillover.” Viruses need hosts like humans, animals, plants, or fungi to replicate and spread, and sometimes they can jump to a new host lacking immunity, as seen during the Covid-19 pandemic.
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Using samples from Lake Hazen in the Arctic landscape, Canadian scientists looked at how climate change might impact spillover risk. Currently a medical student at the University of Toronto, Graham Colby said that this lake is the largest in the world entirely north of the Arctic Circle and “was truly unlike any other place I’ve been before.” During the summer, the team sampled the soil that became a riverbed for glacier water and the lakebed — which had to be cleared of snow.