LISBON (Reuters) – All COVID-19 cases in the Lisbon area and the popular southern Algarve region are of the more contagious Delta variant, data showed on Tuesday, as Portuguese authorities scramble to bring under control a worrying surge in infections….
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Tree Resin Compound Defeats Drug-Resistant Bacteria in Lab Tests
A new compound made from tree resin kills almost 100% of drug-resistant bacteria without harming healthy tissue, laboratory studies suggest. Made into a film, this nanocellulose could be used as a wound dressing or as a protective surface on medical…
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