In a new study, published in the specialized journal eLife, a group of Chilean and British scientists claim to have developed a novel method to identify asymptomatic or pre-symptomatic patients, as a way to help reduce the spread of the virus.
Its technique consists of taking samples from the screens of people's cell phones, an idea that is low cost, non-invasive and with reliable results, according to the study.
"The big problem with Covid-19 is that many people are contagious on the street and do not know it," said to BBC Mundo Dr. Rodrigo Young, creator of this method and researcher at the Institute of Ophthalmology at the University College London.
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