<p>Medical data with regard to COVID-19, vaccination as well as immunochemistry for 31 placenta samples with positive spike protein results.</p>

Medical data with regard to COVID-19, vaccination as well as immunochemistry for 31 placenta samples with positive spike protein results.针对31份棘突蛋白（spike protein）检测结果呈阳性的胎盘样本的新冠（COVID-19）、疫苗接种及免疫化学相关医学数据。