日本的卫生部发现，在注射了Moderna和辉瑞的COVID-19 mRNA #疫苗 的年轻男士当中，出现了一些 #心肌发炎 以及 #心包炎 症的情况。该部门与专家们召开了会议决定为疫苗附上 #警告 文件，医院则必须汇报任何在打了疫苗后28天内出现这些症状的病例。 Japan's Health Ministry found some cases inflammation of the cardiac musle and outer lining among young men who recieved the Moderna and Pfizer's COVID-19 mRNA vaccine. The department held a meeting with experts and decided to attach #warning documents to #vaccines, and hospitals will have to report any incidents of people developing such symptoms within 28 days of being vaccinated.