“Boycotting a COVID-19 vaccine in the absence of an alternative is a serious action that should be carefully considered because of its potentially grave risks both for the person and for others,” she said in the paper published on the website of the centre, which serves the Catholic Church in the United Kingdom and Ireland.
She said its use was a matter of individual conscience for Catholics, although they should strive to obtain alternative vaccines, made without unethical procedures, once such vaccines arrive on the market.