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Mnementh said:
Most countries have criteria for testing. Something like symptoms and contact to known infected. If the number of tests goes down it means fewer people are meeting this criteria. This is by far not bulletproof and broad testing without preconditions would be better, but it probably still means the number of infected is slowly going down. |
I'm not sure to which extent this holds, since we don't know if the drops are due to less people meeting these criteria or a scarcity of tests. The latter would likely be regional instead of randomly distributed, and likely happen where tests are needed the most. That could artificially drop the number of infected cases per tests realized in a given region.
But that is merely my speculation, of course.
Besides, since we know tests are lacking in a lot of places and they are sorely needed, I'd assume to be good public policy and in everyone's interest to change the criteria on the go and test more people, as per the WHO's recommendations, if you happen to be sitting on a pile of them.
