<unk> " sign outside a primary school in Omagh, Northern Ireland<unk> " was a social phenomenon in the United Kingdom during 2020 and 2021, for part of the COVID-19 pandemic, whereby people and organisations posted messages of support for members of the National Health Service and other key workers, to acknowledge their heavy workload as well as their risk of infection. Large numbers of private individuals placed home-made signs in their windows and outside their homes to<unk>  the<unk>  workers. The handmade posters frequently featured drawings of rainbows. The campaign was supported by the Conservative Party-controlled British government, which displayed children's<unk> " signs in the windows of 10 Downing Street. Organizations also supporting the campaign included the British Labour Party and Hull City Council. Other sponsors included sports teams such as Hibernian F.C. and the Premier League. Some media outlets released poster artwork for people to print and display.
Thank You NHS
Money Follows the Person
The Soul of Medicine
The Emperor of All Maladies
MindFreedom International
You, Me and the Big C
All of Us 
NHS Resolution