Study: 1 in 10 infected by asymptomatic patient

One in 10 patients of the new pandemic viral fever, Covid-19, gets infected by a patient who exhibits no symptoms at all. While it is easy to quarantine or isolate a patient with obvious symptoms of Covid-19, it is the asymptomatic patient — the individual free of symptoms despite carrying the virus — who is emerging as a big worry for health officials across the world.

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