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Despite abundant recent research & accumulated knowledge, Birx claims "asymptomatic, silent spread in the community" is driving the pandemic (start @ 4:30). She urges expanded surveillance & more testing to identify asympto spread & isolate any positives.
Here, @OBusybody presents a nice summary of the leading research which finds that asymptomatic spread is, in fact, rare and not a common driver of COVID-19 infections. https://twitter.com/OBusybody/status/1300433813529677827?s=20
Dr. Fauci also reminds us that "asymptomatic spread has NEVER been the driver of outbreaks." https://twitter.com/tlowdon/status/1314433379467587585?s=20
Dr. Birx doesn't understand that, via overtesting & hypersensitive PCR tests, we've created our own bogeyman. The comprehensive surveillance regime she advocates is entirely inappropriate given all that we know about the virus. The spread she should be more worried about is fear.
