A person’s immune response to variants of SARS-CoV-2, the virus that causes COVID-19, depends on their previous exposure – and differences in the focus of immune responses will help scientists understand how to optimise vaccines in the future to provide broad protection.
Coal-burning power plants responsible for 460,000 deaths in the U.S. since 1999, study shows
Between 1999 and 2020, more than 460,000 deaths in the United States were attributable to exposure to air pollution emissions from coal-burning power plants, according