All of US but esp...
Lyme has been reported in every state, though the highest reported incidence is in new england, ny, nj, pa, de, md, va, wi, mn&ca.
The cdc estimates the true number of cases is at least 10 times those reported.See http://module.Lymediseaseassociation.Net/maps/ it may be that lyme is reported more in
some states because drs. There are more aware of it. Hit the tap button to see my answer re: ehrlichiosis