As a summer wave of COVID-19 infections swells once again, a study published this week in the New England Journal of Medicine offers some positive news about the pandemic disease: Rates of long COVID have declined since the beginning of the health crisis, with rates falling from a high of 10.4 percent before vaccines were available to a low of 3.5 percent for those vaccinated during the omicron era, according to the new analysis.

Further, looking at data on the disease categories related to long COVID cases, the researchers also did an analysis finding a shift in symptoms over the eras.

The researchers looked at over 10 disease categories: cardiovascular, coagulation and hematologic, fatigue, gastrointestinal, kidney, mental health, metabolic, musculoskeletal, neurologic, and pulmonary.

Overall, the study points to a welcomed decline in the rates of long COVID among the infected, particularly for those who are vaccinated.

But, it also makes clear that long COVID isn’t a thing of the past: “a substantial residual risk of PASC remains among vaccinated persons who had SARS-CoV-2 infection during the omicron era,” Al-Aly and his colleagues conclude.

The study also didn’t allow researchers to assess whether repeat infections increase the burden of long COVID.

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