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Countries across the world tightened restrictions on their populations Saturday to fight a resurgence in the coronavirus, as the European Union offered to help drug companies expand vaccine production to improve distribution “bottlenecks”.

From local curfews to alcohol bans and complete lockdowns, governments are trying to tackle a surge in cases.

The has killed more than 1.8 million people globally since emerging in China in December 2019, according to a tally from official sources compiled by AFP.

But experts fear the worst is yet to come, predicting a sharp rise in infections and deaths after

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In the past few decades, researchers have identified biological pathways leading to neurodegenerative diseases and developed promising molecular agents to target them. However, the translation of these findings into clinically approved treatments has progressed at a much slower rate, in part because of the challenges scientists face in delivering therapeutics across the blood-brain barrier (BBB) and into the brain. To facilitate successful delivery of therapeutic agents to the brain, a team of bioengineers, physicians, and collaborators at Brigham and Women’s Hospital and Boston Children’s Hospital created a nanoparticle platform, which can facilitate therapeutically effective delivery of

In this March 16, 2020 file photo, a pharmacist gives Jennifer Haller, left, the first shot in the first-stage safety study clinical trial of a potential vaccine for COVID-19, the disease caused by the new coronavirus, at the Kaiser Permanente Washington Health Research Institute in Seattle. Tens of thousands of Americans have volunteered to test COVID-19 vaccines, but only about half of them got the real thing. Now, with the first vaccine rollouts and a surge in coronavirus infections, experts are debating what to do about the half that got a dummy shot. (AP Photo/Ted S. Warren, File)

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