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You've spent the last few months worried about catching coronavirus of elevator buttons and cereal boxes, and rightly: it is best to be very careful when it comes to containing the propagation. But a new study shows a very good chance that you will take Covid-19 from another source: someone else who did not know they were infected even.

A stealthy mode of infectant

Researchers at the Scripps Translational Research Institute studied data sets of 16 different groups of Covid-19 patients, including people in Iceland and Italy; homeless shelters in New York and Los Angeles; and those of theDiamond Princess cruise ship. Their conclusion: at least 30%, and more chances of 40% to 45%, people who were asymptomatic transferred the virus to others.

"The probability of about 40% to 45% of people infected with SARS-COV-2 remains asymptomatic suggests that the virus could have greater potential than expected in silence and deeply by human populations," declared the study, published intheAnnals of internal medicine.

"The range we found is extraordinarily high", explains Dr. Eric Topol, Director and Founder of the Institute and one of the authors of the document, atTIME magazine. "It means that the range of what can happen with SARS-COV-2 is no symptoms [death]. It is not at all similar to a virus or pathogen, we knew who killed potential in the past. What we have here is an extraordinary spectrum, including this calm, stealthy fashion to infect someone ".

Causes anomalies in the lungs

"People who get an infection without symptoms are doing a lot of damage to their bodies and they do not know it," said TopolTime. (Otherstudieshave found something similar.)

Take the cruise ship for example. "The finding that 54% of the 76 asymptomatic persons on theDiamond Princess which have been examined by TOMODENSITOMETRY seems to have significant infringed anomalies in their lungs is worrying "says the study. Other research will be needed to confirm this potentially important conclusion, given possible confusion factors, including the age of passengers on board theDiamond Princess.If confirmed, this finding suggests that the absence of symptoms could not necessarily mean the absence of injury."

What can you do?

Topol saysTime This is why the port of a mask is so essential and "essentially why we must all wear masks because no one knows who is an asymptomatic carrier. The person does not know it and the contacts of the person do not know it. This has huge implications and it is an area we need to study more, on how test people without symptoms on a very large scale to understand these people better and follow them to precisely determine their ability to transmit [the virus] "

As for yourself: go through this pandemic at your healthier, do not miss these Things you should never do during the pandemic coronavirus.