A rare clotting disorder may cloud the world's hopes for AstraZeneca's COVID-19 vaccine
http://www.sciencemag.org/news/2021/03/rare-clotting-disorder-may-cloud-worlds-hopes-astrazenecas-covid-19-vaccine
A man receives a dose of AstraZeneca's COVID-19 vaccine at a conference center in Rome on 24 March. Italy halted use of the vaccine on 15 March but resumed immunizations four days later.
Science’s COVID-19 reporting is supported by the Heising-Simons Foundation.
