BERLIN—Berlin’s state hospital groups Charite and Vivantes have stopped giving women under the age of 55 shots of AstraZeneca’s COVID-19 vaccine, spokeswomen for the hospitals said on Tuesday. The moves follow reports of rare but serious blood clots, bleeding, and in some cases death after vaccination, mainly in young women. “From the Charité’s point of view, this step is necessary because in the meantime further cerebral venous thromboses have become known in women in Germany,” a spokeswoman said in an emailed statement. Charite said the action was precautionary while they waited for final assessments. No complications have occurred in its hospitals following vaccinations with AstraZeneca. A spokeswoman for Vivantes clinics also said the move to pause the shot for younger women was a precautionary measure. Some 19,000 people work at the Charite hospitals and 17,000 at Vivantes, which operates clinics as well as care homes. Tagesspiegel, which first reported the …