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Thrombosis Canada Guidance on COVID-19 Vaccines and Anticoagulation

As COVID-19 vaccine distribution and administration ramps up in Canada, physicians and patients are asking about managing vaccination in people who  are receiving anticoagulant (blood thinning) therapy. This issue is important for an estimated 1 million Canadians who are receiving anticoagulant therapy, many of whom are elderly and are likely to be at higher risk for coronavirus-related health problems. It is important to emphasize that anticoagulant therapy should not be a barrier to the administration of the coronavirus vaccine. In our view, any bleeding risk due to anticoagulant therapy that may result in a hematoma (muscle bruise) at the vaccine injection site is greatly outweighed by the benefits of the vaccine.

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