PHOENIX — Arizona’s largest testing lab was still facing a backlog of 3,535 COVID-19 tests Monday, a day after Sonora Quest Laboratories had said its once-extensive logjam would be cleared. The lab ...

TUCSON, Ariz. — A private laboratory company in Arizona just announced a big upgrade in the fight against COVID-19. Sonora Quest Laboratories says it will start conducting COVID-19 antibody tests ...

PHOENIX — Arizona-based Sonora Quest Laboratories and Quest Diagnostics announced the launch of a “one-of-a-kind” monkeypox test Monday. Arizonans can take the PCR test through their health care ...

Sonora Quest Laboratories announced Thursday it will open new patient service centers inside two Safeway stores in Tucson. Lab testing and diagnostic services will be offered at Sonora Quest centers ...

PerkinElmer is partnering with Sonora Quest Laboratories on an expansion of COVID-19 testing in Arizona, funded in part by the state of Arizona—which has acknowledged spikes in cases of the virus in ...