Coronavirus: are two strains together deadlier than one?

Different strains of the new coronavirus could be infecting people in some communities at once, pushing up the death toll from the disease, according to a new study.Researchers from the UC Berkeley school of public health said variations of the pathogen circulating in Europe and the United States could be causing “serial infections” in some people, confusing the immune system and triggering an overreaction or even death.“If one strain is still highly prevalent, the situation should be closely…

Read the original article at South China Morning Post