two sheds
Least noticed poster 2007
And of course this which quimcunx just posted, test streets/households to reduce the number of tests you need.
Again I'll mention batch testing.
COVID-19 Pool Testing: Is It Time to Jump In? | ASM.org
Pool testing has a long history in surveillance and screening strategies dating to the 1940s. With SARS-CoV-2 testing capacity reaching its limits, pool testing may offer an option to save human and product resources.asm.org
They did it in wuhan. Seems a better and cheaper bet than non existent tech.
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