丁香医生
一张图让你看懂感冒、流感和新型肺炎的症状区别 https://twitter.com/williamwoo7/status/1223468999079550977
https://t.me/private_channel_c14370a/3483
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.