As the highly contagious delta variant spreads through New Jersey, the state Health Department says it has improved its ability to track mutations and is no longer flying as blind as it was six months ago.

As the highly contagious delta variant spreads through New Jersey, the state Health Department says it has improved its ability to track mutations and is no longer flying as blind as it was six months ago.

The speed at which the COVID-19 delta variant spread in Southern Nevada surprised a researcher who hunts for the virus in wastewater.

Coronavirus concentrations in wastewater in some areas of the Las Vegas Valley are approaching levels last seen during Nevada's winter peak, despite key COVID-19 indicators such as New cases and hospitalizations remain much lower, according to researchers.

Scientists at UNLV confirming with 13 Action News they found the COVID-19 Lambda variant in the Las Vegas valley.

As many nations wrestle with the Delta coronavirus variant, another is on the rise: the Lambda variant.

Scientists at UNLV confirmed with 13 Action News they found the COVID-19 Lambda variant in the Las Vegas valley.

Concentrations of the coronavirus in wastewater in parts of the Las Vegas Valley are approaching levels last seen during the winter peak of the disease in Nevada, even though key COVID-19 metrics like new cases and hospitalizations remain far lower, researchers say.