Dutchess County has confirmed its first case of monkeypox.

A resident tested positive for the illness, which has been confirmed by the state Health Department.

Orange County logged its first case Wednesday.

This brought Hudson Valley's case count total to 22.

In New York, there are now 831 cases, a big jump from 679 on Wednesday.

Vaccines are currently available in Mount Vernon, Yonkers and Greenburgh. 

Ulster County is also investigating what could be its first case of monkeypox.

The county's health commissioner says a test result could be available as early as Thursday.

The announcement comes as Orange and Greene counties confirmed their first cases of monkeypox Wednesday.

Sullivan County had its first case last month.

Monkeypox is a rare, viral infection. which can lead to hospitalization or death if left untreated.  

MORE: Here's how to make an appointment in Orange County  and in Westchester