@j_g_allen (This was pre-alpha, BTW, several times less transmissible than what is circulating now.)
@j_g_allen（顺便说一句，这是在阿尔法之前，比现在流行的传播率低好几倍。）
@j_g_allen (This was pre-alpha, BTW, several times less transmissible than what is circulating now.)
@j_g_allen（顺便说一句，这是在阿尔法之前，比现在流行的传播率低好几倍。）