Add Yahoo as a preferred source to see more of our stories on Google. In many cases, COVID-19 can be entirely asymptomatic. But even if the infection doesn't cause serious symptoms, it should still be ...

Social media users have falsely claimed asymptomatic SARS-CoV-2 infection is the same as being completely healthy and there are no associated harms. But studies suggest that people who don’t initially ...

Coronavirus symptoms do not have to show up for an infected COVID-19 person to spread the virus to others. A new study shows that asymptomatic patients develop viral loads in their upper and lower ...

How contagious is someone who has contracted COVID-19 — yet displays no symptoms? This study, published in the medical journal JAMA Internal Medicine this week, provides one theory for the first ...

ATLANTA — As folks learn to live with COVID, they may run into more COVID deniers. In this case, it's not people who deny COVID exists, but people who deny they themselves have COVID. Because symptoms ...

As debates over when and how to safely reopen schools and businesses rage, a South Korean study published Thursday by JAMA Internal Medicine confirms what many health experts had assumed and feared, ...

Health officials have long wondered how many people who get COVID-19 show no symptoms. Because those who don't feel sick rarely get tested, experts have only been able to estimate the number of such ...

People who show no signs of being infected with the coronavirus have been found to carry similar levels of the germ in their bodies than those with, in a study on South Korean patients. Following one ...

Some 60% of virus spread starts with those who have no symptoms. This is a MedPage Today story. A cough or sneeze in the checkout line at the grocery store may elicit fear of COVID-19, but that ...

The facts of COVID-19 include this disturbing reality: We have little idea who among us is spreading the disease. Up to half of stealthy spreaders “feel fine” on Saturday night—but by the time they ...