Non-peer reviewed study from Stanford found virus may be 50 to 85 times more common than official figures indicate
A new study in California has found the number of people infected with coronavirus may be tens of times higher than previously thought.
The study from Stanford University, which was
released Friday and has yet to be peer reviewed, tested samples from 3,330 people in Santa Clara county and found the virus was 50 to 85 times more common than official figures indicated.
To ease the sprawling lockdowns currently in place to stop the spread of Covid-19, health officials must first determine how many people have been infected. Large studies of the prevalence of the virus within a region could play a key role, researchers say.
“This has implications for learning how far we are in the course of the epidemic,†said Eran Bendavid, the associate professor of medicine at Stanford University who led the study. “It has implications for epidemic models that are being used to [...]
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Coronaviruses are a group of viruses that cause diseases in mammals and birds. In humans, coronaviruses cause respiratory tract infections that are typically mild, such as the common cold, though rarer forms such as SARS, MERS, and COVID-19 can be lethal. Symptoms vary in other species: in chickens
they cause an upper respiratory tract disease, while in cows and pigs they cause diarrhea. There are yet to be vaccines or antiviral drugs to prevent or treat human coronavirus infections.
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