No symptoms, big problems: Scientists still puzzled by asymptomatic coronavirus cases
http://www.msn.com/en-ca/news/techno...gNb9&ocid=iehp
Dr. Jorge Mercado, a pulmonologist and critical care doctor at New York University's Langone Hospital-Brooklyn, said scientists still aren't sure why some people who have been exposed to the virus get very sick, while others develop no symptoms.
"We really don't know much about this disease," he said. "We know a little more than we did three months ago, but there are still a lot of things we don't have answers to
In CT scans of all the study participants, the researchers found signs of lung inflammation, known as pulmonary infiltrates, even in people who showed no symptoms. Signatures of inflammation were observed in 57 percent of the asymptomatic group
It makes you wonder if they really were asymptomatic, because clearly they had some pneumonia," he said. "It just goes to show that the absence of symptoms is not the absence of infection."
Until we know how much transmission asymptomatic people are responsible for, it makes an incredible amount of sense to keep stressing that everyone should wear a mask," she said. "If you happen to be in that category and you're wearing a mask, that's going to keep you from infecting people and putting those viral particles out in the environment. And everyone else wearing a mask is doing the same for you