CDC testing data for the same period reveals that 6.6 percent of COVID-19 tests came back positive, with Illinois, Indiana, ...

These new maps from the Centers for Disease Control (CDC) reveals the exact areas where COVID and influenza cases are on the rise. Health authorities have warned of "elevated" rates of respiratory ...

The U.S. hit another grim record this week as new coronavirus cases reached a single-day high of nearly 60,000—a figure that ...

Wastewater testing can therefore give an earlier and more accurate indication of COVID-19 levels as the infection spreads to different areas, rather than just relying on positive tests.

The latest data on U.S. COVID-19 test positivity rates shows a complicated picture as we head towards the new year.

Influenza A, COVID-19 and norovirus (stomach flu) are on the rise, according to the Centers for Disease Control and Prevention. But there's a fourth "bug" the public should be aware of: respiratory ...

The U.S. is seeing a "quad-demic" as cases of COVID-19, flu, RSV and norovirus spread at the same time. Experts said this is what you need to know.

Even very good tests can deliver false-positive results if the coronavirus hasn't spread much in a particular area. The chart above shows the positive predictive value — the likelihood that a ...

The U.S. is seeing a surge in respiratory viruses, such as COVID, flu and RSV. At the same time, vaccination rates are low. Even though COVID is still around, most feel like it is over ...

Influenza A, COVID-19 and norovirus (stomach flu) are on the rise, according to the Centers for Disease Control and Prevention. But there's a fourth "bug" the public should be aware of ...