In a recent situation update, Ontario public health officials noted that evidence is emerging SARS-CoV-2 can cause “immune dysregulation,” a vague term that’s used when the immune system isn’t behaving normally.
White blood cell counts may be off, immune cells don’t work the way they should, inflammation is higher than it should be. “Long story short, COVID-19 leads to lasting, and possibly permanent changes in immune cells in some, but not all, people,” McMaster University immunologist Dawn Bowdish said.
