A Massachusetts woman is sharing her family's experience after her granddaughter was diagnosed with Powassan virus after a ...

Tiffany Sisco, who declined to be interviewed by ABC News, told Boston ABC station WCVB that she found a tick on her ...

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

The West Tisbury Emergency Management Department said that Powassan virus was being investigated on Martha’s Vineyard. The ...