The first human case was detected last week. Second case of West Nile virus reported in Mass., also in Middlesex County Boston.com.

Stanislaus County has reported its first human case of West Nile virus for 2026 as the number of cases in California surges compared to rece...

A severe case of COVID-19 can "reawaken" dormant viruses in the body, even in people with otherwise healthy immune systems, a new study find...

The risk of West Nile virus was elevated to a moderate level in 70 communities across nearly a dozen counties in Massachusetts. First huma...

Most people infected with West Nile virus are asymptomatic but roughly one in five experience develop flu-like symptoms or worse

By Jen Christensen, CNN(CNN) — Are you coughing, hacking or feeling feverish? It may not be just a summer cold; you might want to conside...

Four lemurs that had close contact with people, including one via a "lemur yoga" class, caught a human herpesvirus and subsequently died, a...

Céline Gounder, KFF Health News’ editor-at-large for public health, discussed Americans’ skepticism toward public health experts and Preside...

Seven human cases of West Nile virus have been confirmed this year, but Mississippi State Department of Health officials suggest the actual...

A Woodland resident was hospitalized for West Nile virus, marking the first human case of the illness in Yolo County this year, public healt...

California, Kentucky and Hawaii are seeing some of the highest levels of activity

Iran has unveiled an advanced local technology for the design, engineering, production, and purification of oncolytic viruses capable of sel...

Por Deidre McPhillips, CNNCientíficos utilizaron un programa de inteligencia artificial para crear genomas virales diferentes de los de c...

Scientists have used artificial intelligence (AI) to design complete, functioning viruses with genomes never seen before in nature — a break...

Researchers produced 16 functional pathogens as experts warn the same technology could eventually pose serious biosecurity risks...