A look at the science behind COVID-19 reinfection, including what to expect and who's most at risk. Unfortunately, that also means early speculation about one-and-done bouts of COVID-19 offering immunity against future infections has long gone out the window. Epidemiologist says COVID-19 reinfections linked to virus mutating Duration 1:44 Epidemiologist Dr. Christopher Labos blamed COVID-19 reinfection risk on the virus mutating. Reinfections usually not worse than the firstWhat several experts who spoke to CBC News are more certain about is that subsequent COVID-19 infections should feel milder than the first. "Maybe they become immunocompromised — all of that's going to play a factor."

Source: CBC News July 17, 2022 16:42 UTC