The Chief Medical Officer Dr Ruth Hussey said she wanted to encourage as many people as possible in high risk groups to get vaccinated.

BBC: Flu jab given at some pharmacies in Wales for first time

The DoH has therefore launched a campaign to encourage at-risk groups to get vaccinated and a new website, called Winterwatch, will be launched later this month to provide winter-related health data.

BBC: Number of pensioners taking free flu jab falling

The three researchers organised children whose social circumstances were similar into groups, depending on whether or not the children had been vaccinated against a range of diseases including measles, polio and tuberculosis.

ECONOMIST: Vaccination