Blood clots as prevalent with Pfizer and Moderna vaccine as with AstraZeneca’s: study July 15, 2021 by txadmin Share to the world...https://www.marketwatch.com/story/blood-clots-as-prevalent-with-pfizer-and-moderna-vaccine-as-with-astrazenecas-report-2021-04-15 Share to the world... Tags: Articles, Blood Clots, mRNA Vaccine, Problems, Study