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
For a spiky sphere just 120 nanometers wide, the coronavirus can be a remarkably cosmopolitan traveler.
Figuring out what drives coronavirus superspreading events could be key to stopping them, and expediting an end to the pandemic. “That’s the million dollar question,” said Ayesha Mahmud, who studies infectious disease dynamics at the University of California, Berkeley. Catching and containing a person at their most infectious is another matter, however. Some people stricken with the coronavirus start to feel unwell within a couple days, whereas others take weeks, and many never end up experiencing symptoms. The length of the so-called incubation period, which spans the time between infection and the onset of symptoms, can be so variable that some people who catch the virus fall ill before the person who gave it to them does.
The team’s model also pointed to another important variable: the remarkable resilience of the coronavirus when it is aloft.
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