The European Union’s drug regulator says it has found a “possible link” between the AstraZeneca-Oxford coronavirus vaccine and a rare blood-clotting disorder, but the benefits of the shot and the potential health consequences of suffering from COVID-19 still outweigh any risks.
Australia has abandoned a goal to vaccinate nearly all of its 26 million population by the end of 2021 following advice that people under the age of 50 take Pfizer's COVID-19 vaccine rather than AstraZeneca's shot.
In a rare admission of the weakness of coronavirus vaccines developed in China, the country's top disease control official says their effectiveness is low and the government is considering mixing them to get a boost.
As provinces and territories move into the next phase of their COVID-19 vaccination campaigns, educators and school staff are starting to join the priority groups eligible for shots. Here's a look at some of the different rollout strategies being deployed across Canada.