That's being floated in various places. Politico has an article on "skepticism". More extreme assessments elsewhere. I think the science community is leaning more to two months. As I suggested upthread there are staggered models based not on quarantining the elderly as DJ mentioned (because that can go wrong in obvious ways--never mind liberal objections to its appearance) , but rather of low-risk, low-contact workers (among others) being able to circulate.