It's been less than a month since health officials reported the first known case of a new and more contagious coronavirus variant in Texas. The man, a Harris County resident, had no travel history.

Amid the push to get the COVID-19 vaccine to many as possible to stem the pandemic, a new variant of the coronavirus that exploded in Brazil and has since been reported in the U.S. is causing concern ...

The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...