If all the particles of the SARS-CoV-2 virus circulating in infected people around the world were put together, it would surprisingly weigh only somewhere between the weight of an apple and that of a young toddler, according to scientists.
That worked out to between 0.1 and 10 kilograms (kg). Yet we’re talking about a virus responsible for wreaking havoc globally, infecting more than 175 million people and claiming close to 3.8 million lives, statistics by the Johns Hopkins Coronavirus Resource Centre indicate.
At first thought, this information might appear to be of little value, but the authors pointed out that knowing the absolute numbers of virions in an infection can actually help scientists to better understand the dynamics of diseases and how our immune systems respond to it.
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