@RickABright @marynmck @WIRED @PPI_Insights @NathanGrubaugh @ArisKatzourakis @sarahcobey Given the lack of durable immunity "running out of hosts to infect" is not even a realistic starting point.
@RickABright@marynmck@WIRED@PPI_Insights@NathanGrubaugh@ArisKatzourakis@sarahcobey考虑到缺乏持久的免疫力，“没有宿主感染”甚至不是一个现实的起点。