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In unvaccinated mice, these viruses caused dramatic weight loss — a sign of illness — and often death; their lungs were inflamed and full of virus. Vaccinated mice lost much less weight and all survived; their lungs were nearly clear of the virus.
Trump’s justice department has asked a judge to kill a first-of-its-kind 2024 Vermont “climate superfund” policy requiring major polluters to pay for damages caused by their past planet-heating pollution, partly on the grounds that that federal law, not state law, governs greenhouse gas emissions. But last month, Trump’s Environmental Protection Agency (EPA) repealed the endangerment finding, the scientific determination giving federal officials the authority to control those very pollutants.