The Pfizer/BioNTech COVID-19 vaccine is more than 91 percent effective six months after people get their second dose, according to new test data released by the […]
More than one-quarter of U.S. parents don’t plan to vaccinate their kids for COVID-19, and roughly as many oppose school-required coronavirus shots, a new study finds.
As a demographer—someone who studies how human populations grow and change—UCLA professor of sociology Patrick Heuveline typically spends time each year traveling around the world, talking […]