- “Some people may clear the virus quickly because they have pre-existing antibodies and memory immune cells that recognize the virus,” Stamataki wrote.
- “There is also a possibility that different immune systems respond differently to the virus.”
- “It is also possible that some of us may have rare types of ACE2 that the coronavirus spike cannot stick to.”
Symptoms: Dr. William Schaffner, an infectious disease expert at Vanderbilt University School of Medicine in Nashville, said that there are people who might have COVID-19 but would never know it because they either didn’t have COVID-19 symptoms or blamed their COVID-19 symptoms on something else, according to WebMD.
- “People may have conceivably — but we can’t define them yet — different capacities to ward off viruses or bacteria,” he said, per WebMD.
Yes, but: Schaffner said those who never had COVID-19 should not assume they have “a suit of armor.”