If I understand correctly then, the antibody test itself is a valid test, it is accurate test kits to perform that test with that they are struggling with.
Thank goodness the 17m kits was only a statement of intent if they worked, not an actual order.
I see a doctor in the US has stated that the amount of antibodies generated is linked to the severity of the symptoms/virus suffered. I shouldn't think that bodes well for future immunity, never mind the difficulty with testing.
China has reported 90,000 cases. Wuhan has a population of 11m. The virus was running free in Wuhan for at least a month.
I guess it is possible that China is simply lying through it's teeth. But even if the real figure in Wuhan is actually 10x what is quoted for China that still means less than 10% of it's population are known to have / have had the virus.
So;
1) China is lying through it's teeth to an enormous magnitude (I don't think that magnitude of a lie is possible in this day and age)
2) Far more people have / have had the disease than we realise but from some reason mostly so mildly that nobody knows.
3) For some reason many people do not contract the virus.
I suppose 2) is the most likely, but still....
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