Health News

Covid vaccines block disease, but do they stop infection?

As reports this week from Scotland and Israel—where much or most of the population have gotten COVID jabs—confirm that vaccines largely prevent people from getting sick, another question is emerging: do they also block infection? A lot depends on the answer, experts say. If vaccines being rolled out worldwide ward off not only symptoms but […]

Personal Health

Fear that uproar over gene-edited babies could block science

Scientists working on the frontiers of medicine fear the uproar over the reported births of gene-edited babies in China could jeopardize promising research into how to alter heredity to fend off a variety of disorders. Researchers are rapidly learning how to edit DNA to fight such conditions as Huntington’s, Tay-Sachs and hereditary heart disease, conducting […]