This Summary Calendar has collated, synthesised and presented a clear and concise summary of the COVID-19 International Horizon Scanning Reports over the past year, since April 2020 through to March 2021. The International Horizon Scanning and Learning work stream has proved to showcase informative and impactful research whilst collating data from other countries, providing guidance, recommendations and useful insights regarding the evolving nature and uncertainties of the COVID-19 pandemic.