Everybody knows someone — maybe it's you — who got COVID but never got sick or who thinks they never got COVID at all. A new study found one possible reason, involving a certain gene and common colds.
Science writer Robin Marantz Henig has written about dangerous emerging pathogens for 30 years. But none of what she learned could shed light on her own confusing encounter with this virus.
What if your body could corral an infection instead of eliminating it? Immunologists who see this sort of "disease tolerance" in plants wonder what role it might play in asymptomatic human infections.
A new study reveals that even patients who are reportedly asymptomatic — no fever, cough, fatigue or breathing issues — could sustain temporary lung damage from the novel coronavirus.
