The Johnson & Johnson and AstraZeneca COVID vaccines are under the microscope for their potential to cause blood clots, but scientists warn Pfizer and Moderna vaccines pose similar risks.
Denmark became the first country in Europe to abandon use of the AstraZeneca COVID-19 vaccine, after the country and more than a dozen other European Union nations suspended its usage.
Germany, along with several other EU member states, suspended the use of the AstraZeneca vaccine on Monday following reports of unusual blood clots, though a dozen states have already re-started vaccinations.
