We keep banging on about "test and trace" for #Covid-19.
But it's pointless.
With a reproduction interval of only 4-6 days, if you wait for a test result before isolating contacts, you will do it too late. They will already have spread the infection.
1/2
But it's pointless.
With a reproduction interval of only 4-6 days, if you wait for a test result before isolating contacts, you will do it too late. They will already have spread the infection.
1/2
And many cases are asymptomatic, so you'll miss them, anyway.
Testing is too unreliable. Too many false negatives, and too short a time from infection to infectiousness.
The only thing which works is keeping people apart so they can't transmit it.
2/2
Testing is too unreliable. Too many false negatives, and too short a time from infection to infectiousness.
The only thing which works is keeping people apart so they can't transmit it.
2/2
"given the
potential delays in isolation of patients, even the early
detection and isolation strategy might not be fully effective
in containing SARS-CoV-2."
thelancet.com/journals/lanmi…
@mugecevik et al
potential delays in isolation of patients, even the early
detection and isolation strategy might not be fully effective
in containing SARS-CoV-2."
thelancet.com/journals/lanmi…
@mugecevik et al
@mugecevik @threadreaderapp unroll
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