id,postId,link,kind
1492,5122,https://ourworldindata.org/roush-and-murphy-2007-data/,internal-link
1493,5122,https://www.ncbi.nlm.nih.gov/pubmed/18000199,external-link
1494,5122,https://owid.cloud/vaccination,external-link
1495,5122,https://owid.cloud/app/uploads/2020/07/Vaccine_Reduction-of-Cases-and-Deaths.png,image