http://www.sciencemag.org/news/2021/06/landmark-trial-test-mrna-vaccines-against-covid-19-africa-can-t-get-coveted-shots > A new clinical trial hopes to test messenger RNA vaccines for COVID-19 in pregnant women, like this one receiving a sonogram at an AIDS care center in South Africa. > Science’s COVID-19 reporting is supported by the Heising-Simons Foundation.