“Significant presymptomatic transmission would probably reduce the effectiveness of control measures that are initiated by symptom onset, such as isolation, contact tracing and enhanced hygiene or use of face masks for symptomatic persons.”
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This is why rapid diagnostics & wide community testing of people who are symptomatic AND those who are pre-symptomatic or asymptomatic w/ exposure to known cases- is critical. If we have to wait for symptoms to start, we may get too far behind.
#covid19Show this thread - End of conversation
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Viral shedding is a term i’ll never be able to get out of my head.
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That‘s not new though. We‘ve read about that from
@c_drosten a while ago already.Thanks. Twitter will use this to make your timeline better. UndoUndo
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What do you think of the temperature screening at schools or workplace? With 40-50% being presymptomatic, is it even serving the purpose of “screening”? Would it be better to keep it shut down?
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Hi, the unroll you asked for:
@AbraarKaran: New study@NatureMedicine estimates that nearly half of#covid19 transmission occurs in the 2-3 days… https://threadreaderapp.com/thread/1250581587084955648.html … Talk to you soon.
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Is there any data on totally asymptomatic COVID cases?
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