Discover and read the best of Twitter Threads about #CoronaVirusIran

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Revisiting Feb. JAMA published study.
#COVID19

CHI 20 yr old asymptomatic patient -cluster of 6.

1st known asymptomatic transmission w/asymptomatic patient reporting NO clincial symptoms & clear CTs.

She had:
2 CTs - 1/27 & 1/31
4 PCRs w/ only 1 positive
Tracks similarly w/ prior 10 yr old asymptomatic patient cluster in separate study

EXCEPT 10 yr old asymptomatic had CT indicating COVID19 w/ "ground glass" effect.

Asymptomatic patients may or may not show evidence of disease in CT scan.
CHI asymptomatic person cluster of 5 #COVID19
Wuhan visit Jan 10.

Only 1 of 4 PCRs positive...from nasal swab only.

PCRs widely known for false negatives w/ 30-60% accuracy depending on which gov't source issues numbers.

Stealth pathogen coupled w/ inaccuracy of PCRs?
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