Little Asymptomatic Spread?

“From the data we have, it still seems to be rare that an asymptomatic person actually transmits onward to a secondary individual,” said Dr. Maria Van Kerkhove of the World Health Organization. Could it be that we don’t really need all that much testing and tracing but should just diligently tell people with any symptoms to self-isolate?

Not so fast. James Surowiecki warns, “This was yet another example of terrible communication by the WHO. By ‘asymptomatic,’ she meant only people who get the virus but never develop symptoms, not people who are pre-symptomatic. They still commonly transmit the virus without having any symptoms.” Andy Slavitt also has strong concerns. So does Natalie Dean.

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