Long COVID symptoms linger: Study shows no major changes in second year

Two-thirds of people with post-COVID-19 syndrome have persistent, objective symptoms—including reduced physical exercise capacity and reduced cognitive test performances—for a year or more, with no major changes in symptom clusters during the second year of their illness, according to a study published January 23 in PLOS Medicine by Winfried Kern of Freiburg University, Germany, and colleagues.