More than one in four Portuguese aged 65 or over are estimated to have been vaccinated against flu since the start of the campaign to vaccinate priority groups ahead of the winter. This is one of the readings of the ‘vaccinometer’ for the flu season 2022/2023, organised by the Portuguese Society of Pneumology(SPP) and the Portuguese Association of General and Family Medicine (APMGF), with the support of biopharmaceutical company Sanofi Pasteur.