Add Yahoo as a preferred source to see more of our stories on Google. Girl taking a test after getting COVID-19 symptoms on January 4.Brittany Murray/MediaNews Group/Long Beach Press-Telegram/Getty ...

COVID-19 booster shots were effective at preventing hospitalization and death before Omicron started spreading in the US. But protection from a third dose is essential now that Omicron cases are ...

The United States continues to see a huge spike in coronavirus cases driven by the omicron variant, with numbers surging to double that of the previous January 2021 peak. D.C., in particular, has been ...

Protection is high against severe disease, and is boosted by a third shot, per official UK stats. Protection against getting mildly ill is much lower, although a booster raises it. A new chart hows ...

The omicron variant is making it more difficult than ever to understand the severity and trajectory of South Carolina’s coronavirus outbreak. Infections are surging to record heights, but experts say ...

The World Health Organization reported record numbers of cases of Covid-19 globally for a single week amid the omicron surge. A report from the WHO published Tuesday noted that the highest numbers of ...

Welcome to The Data Point, a series from the NBC News Data Graphics team that explains a slice of the latest news through charts and visuals. Air travel in the U.S. didn’t show signs of declining this ...

CDC graphs show in detail the protection vaccines gave from hospitalization. As Omicron spread in the US, hospitalization rates in December were much lower for the vaccinated. Data among adults over ...