On 5 March , the number of cases of coronavirus went from 39 to 70 , 51 in King Kounty and 18 in Snohomish County .
On 5 March , the number of confirmed cases jumped from 39 the previous day to 70 , of which 51 are in King County and 18 in Snohomish County.
2020 coronavirus pandemic in the United States