Hong Kong epidemiologists have found that just 20% of cases studied there were responsible for 80% of all coronavirus transmission.
According to Business Insider, the researchers also found that 70% of people infected with the coronavirus didn't pass it to anyone else.
Moreover, they revealed that all super-spreading events involved indoor social gatherings.
Multiple studies have shown the risk of COVID-19 transmission is higher indoors, in poorly ventilated spaces, where lots of people have sustained contact.
"You can't have a super-spreading event unles A 'super-spreader' is an infected person who transmits the virus to more people than a typical infected person would.
The remaining 20% of transmissions were linked to just 10% of cases, when an infected person gave the virus to one or two others.
Usually, they were household members.