Why the Coronavirus is More Likely to 'Superspread' Than the Flu
For a spiky sphere just 120 nanometers wide, the coronavirus can be a remarkably cosmopolitan traveler.
Spewed from the nose or mouth, it can rocket across a room and splatter onto surfaces; it can waft into poorly ventilated spaces and linger in the air for hours. At its most intrepid, the virus can spread from a single individual to dozens of others, perhaps even a hundred or more at once, proliferating through packed crowds in what is called a superspreading event.
Such scenarios, which have been traced to call centers, meat processing facilities, weddings and more, have helped propel a pandemic that, in the span of eight months, has reached nearly every corner of the globe. And yet, while some people seem particularly apt to spread the coronavirus, others barely pass it on.
“There’s this small percentage of people who appear to infect a lot of people,” said Dr. Joshua Schiffer, a physician and mathematical modeling expert who studies infectious diseases at the Fred Hutchinson Cancer Research Center in Seattle. Estimates vary from population to population, but they consistently show a striking skew: Between 10 and 20 percent of coronavirus cases may seed 80 percent of new infections. Other respiratory diseases, like the flu, are far more egalitarian in their spread.
https://www.msn.com/en-us/health/medical/why-the-coronavirus-is-more-likely-to-superspread-than-the-flu/ar-BB17HFGP?li=BBnb7Kz&ocid=DELLDHP
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