Dangerous tick-borne virus causes brain damage in vulnerable young patient

A 5-week-old baby in Boston is fighting for her life after a tick bite.

The baby, Lily Sisco, was bitten while on a walk with her family on Martha’s Vineyard, her mother, Tiffany Sisco, told local news outlets.

After returning from the walk, Sisco told WCVB Channel 5 Boston, "I found this tiny, tiny, tiny, the teeniest [tick] on her ankle." ---More...