wastewater surveillance

  • National Covid-19 trends, July 16

    National Covid-19 trends, July 16

    The U.S. is well into our summer Covid-19 surge: even the CDC’s wastewater dashboard now acknowledges that the country is facing high coronavirus activity. Yet most travel and gatherings continue without any precautions, making it easier for the latest variants to spread.

  • National Covid-19 trends, June 18

    National Covid-19 trends, June 18

    California and nearby West Coast states continue to bear the brunt of this summer’s Covid-19 surge so far, with high wastewater levels and increasing burden on the healthcare system. Data signals are mixed for other parts of the country as newer variants continue to spread.

  • National Covid-19 trends, June 11

    National Covid-19 trends, June 11

    Following the same trends from recent weeks, the U.S.’s expected summer Covid-19 wave continues to rise. According to wastewater surveillance and our limited healthcare system data, infections are rising quickly in California and other West Coast states, and progressing more slowly (but still increasing) in other regions.

  • National Covid-19 trends, May 21

    National Covid-19 trends, May 21

    Following last week’s trends, U.S. Covid-19 metrics continue to indicate that we may be at the beginning of a summer surge, thanks to our lack of collective safety measures combined with the latest variants. Unfortunately, the U.S. just lost another Covid-19 metric, as wastewater surveillance company Biobot Analytics announced that it is shutting down its…

  • National Covid-19 trends, April 23

    National Covid-19 trends, April 23

    Covid-19 levels continue to be on the lower side across the U.S., as the country is in a lull between surges. But mild metrics from the CDC hide the fact that even during a lull, thousands of people are getting sick daily. And new variants are on the horizon, leading some scientists to warn of…

  • How we track Covid-19, with wastewater and other data sources

    How we track Covid-19, with wastewater and other data sources

    In the last few weeks, I (Betsy) have received a few questions about the national Covid-19 updates that we’ve been publishing every week at The Sick Times. Readers have been particularly interested in how I reference wastewater surveillance, a newer technology for tracking viruses and other health indicators that became prominent during the pandemic.

  • National Covid-19 trends, January 9

    National Covid-19 trends, January 9

    All available Covid-19 data in the U.S. suggest that the country is at the high point of an intense winter surge. The JN.1 variant, the latest fast-spreading offshoot of Omicron, has intensified the spread from holiday travel and gatherings. Hospitalizations are currently following similar trends to last winter, but could rise more in the coming…

  • What you need to know about JN.1, the latest “variant of interest”

    What you need to know about JN.1, the latest “variant of interest”

    This winter, there’s another new SARS-CoV-2 variant contributing to surges around the world. The World Health Organization (WHO) classified this variant, called JN.1, as a “variant of interest” on December 19, signifying that it is worth the attention of scientists and healthcare workers. In the U.S., JN.1 may lead to higher levels of coronavirus spread…

  • National Covid-19 trends, January 2

    National Covid-19 trends, January 2

    This winter’s Covid-19 surge continues in the U.S. While data aren’t yet available for the weeks after Christmas and New Years, wastewater surveillance suggests there could be more SARS-CoV-2 going around right now than reported at this time last year — with variant JN.1 fueling the spread from holiday travel and gatherings.