Information has been sent to all cricket boards from the ECB, offering advice during this outbreak.
The full advice can be found here, with the specific things to think about regarding your grounds being found towards the foot of the page.
Included in the advice is guidance to await ECB announcements regarding any regular cricket participation and return to business as usual activities.
The information comes from Prof. Nick Peirce, Chief Medical Officer ECB and David Newman, Emergency Care Coordinator ECB.