A mom says her infant daughter may be the patient that health officials said is under investigation for having a rare Powassan virus infection.

While rare, the rate of the Powassan virus is increasing and can cause severe disease, including inflammation of the brain and spinal cord.

A Massachusetts mother has identified her newborn daughter as the possible case of Powassan virus that is under investigation by health officials on Martha's Vineyard. Health officials did not disclose where on the island the patient lives,