In the standard SIR model we (the world basically) are planning our covid strategy on, once you have been infected (the I group) you move to the removed (R) group and not back into the susceptible (S group).
If the testing is correct then this has profound implications about the state of the world until we find a vaccine and make enough of it to vaccinate a large proportion of the population. As you say, this might be non-trivial.
The one point I would make is that the accuracy of both antigen and antibody testing has been pretty s**t - wrong about 30% of the time - which could contribute to the statement.
Posted By: Timmy_Goat, Apr 25, 18:10:00
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