COVID-19 November 27, 2020 9:59 am COVID-19 Immunity: How Long Do Antibodies Last? COVID-19 patients develop a certain level of immunity after battling the virus, but new studies find it may not last long. Local 1:32 Symptoms, spread and more: What to know about new COVID ‘FLiRT' variants 2:15 CDC could remove 5-day isolation recommendation for COVID: Report 2:55 Flu, COVID, RSV rising at Chicago hospitals, doctor says 1:50 IDPH says COVID-19 hospitalizations are on the rise in parts of Illinois 0:25 COVID symptoms 2023: Chicago-area doctor reveals what she's seeing most