A woman receives a booster dose of Moderna coronavirus disease (COVID-19) vaccine at a vaccination centre in Antwerp, BelgiumBRUSSELS - A fourth dose of the COVID-19 vaccine will soon be administered in Belgium, the country's health ministers announced Wednesday at an inter-ministerial conference. "As vaccination is and will remain the best protection, we will set up a new vaccination campaign in the autumn for all those over 50 and all adults who are ill or under treatment," Belgian Hea...