
COVID-19 and other viruses continue to spread more across the U.S., as cold weather and holidays continue to drive travel and indoor gatherings. Since public health agencies take holiday breaks, COVID-19 data will be reported with delays over the next two weeks — so it’s important to remember that current levels are likely higher than…

COVID-19 cases are definitively increasing across the U.S. This year’s winter wave started late and lower than expected, but is clearly picking up now — the risk of infection will likely be high everywhere by the time people travel and gather for holidays at the end of December. For now, the Midwest and Northeast continue…

As expected, the U.S.’s winter surge is getting started, though disease levels are still lower than usual for this time of year. Our latest data are from the week leading up to Thanksgiving, so these numbers don’t yet reflect travel and gatherings for the holiday — we’ll see that in future updates. Meanwhile, other viruses,…

Here are the latest national COVID-19 trends, according to the U.S. Centers for Disease Control and Prevention (CDC) and major wastewater surveillance providers: COVID-19 levels remain moderate this week across the U.S., continuing the plateau that we’ve been experiencing over the last month. But there are signs our expected winter increase is starting in some…

COVID-19 levels are much lower than normal for this time of year as the U.S. remains in a plateau between surges — though note that lower than normal still means much higher than the true lows we experienced earlier in the pandemic. Meanwhile, respiratory viruses like flu and RSV are starting to pick up. While…

Our moderate lull between surges continues. COVID-19 levels in the U.S. remain lower than typical for this time of year — though still much higher than the true lows in 2020-2021. While the expected winter wave has not picked up yet, it remains important to take precautions against SARS-CoV-2 and other viruses, particularly as H5N1…

The U.S.’s summer COVID-19 surge continues to slowly wane. While wastewater and healthcare system data have reported declines over the last couple of weeks, disease levels remain high across the U.S. — though you might not know it from looking at the CDC’s viral activity levels map, recently updated to an even more minimizing color…

For the first time, H5N1, a highly pathogenic avian influenza, was identified in cows, less than a week after the first case of bird flu was discovered in livestock among baby goats at a Minnesota farm. The news made infectious disease doctors and researchers take notice, since one warning sign that bird flu could be…

All national Covid-19 and respiratory illness metrics suggest that disease spread continues to trend down across the U.S., following the same pattern we’ve observed over the last month. However, wastewater data suggest that SARS-CoV-2 transmission may be heading for a plateau as the virus continues to evolve.
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