In conclusion, we found that cases of NCIP have been doubling in size approximately every 7.4 days in Wuhan at this stage. Human-to-human transmission among close contacts has occurred since the middle of December and spread out gradually within a month after that.
Early Transmission Dynamics in Wuhan, China, of Nove...這是NEJM醫學類頂級期刊...
王介立醫師的內科腎臟透析筆記