A new vaccine against malaria has shown promising preliminary results in a large trial in four African countries, boosting hopes that an additional tool may soon be available to help control the deadly disease. www.science.org/content/article/new-data-buoys-hopes-promising-malaria-vaccine-questions-remain The vaccine, named R21/Matrix-M and...

In a US government lab in Bethesda, Maryland, virologists plan to equip the strain of the monkeypox virus that spread globally this year, causing mostly rash and flulike symptoms, with genes from a second monkeypox strain that causes more...