Additional file 6 of Which roads lead to access? A global landscape of six COVID-19 vaccine innovation models

Additional file 6. Database from the Global Health Centre (GHC)’s Knowledge Portal on Innovation and Access to Medicines ( https://www.knowledgeportalia.org/covid-19-vaccine-r-d-funding ), containing data on R&D investments tracked between 2020 and 2021 for all vaccines included for analysis.

补充材料6。本数据集源自全球卫生中心（Global Health Centre, GHC）的创新与药品可及性知识门户，其访问网址为https://www.knowledgeportalia.org/covid-19-vaccine-r-d-funding，收录了2020至2021年间本次分析所纳入的所有疫苗的研发（Research and Development, R&D）投入追踪数据。