Texas researchers find mutation in Zika virus that could launch outbreak

GALVESTON, Texas (KXAN) — Researchers in Texas have found a single mutation in the Zika virus, which they said could lead to a "major outbreak."
Researchers with the University of Texas Medical Branch and La Jolla Institute for Immunology led a study together and made the discovery, according to university officials.
The study said with this single mutation, the "already rapidly evolving Zika virus" could bypass existing immunity.Feds will appeal mask ruling only if mandate still neededThe