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Both vaccinated and unvaccinated persons can be COVID infected and infectious. Vaccination assists the immune system to better fight the infection. That is al

Both vaccinated and unvaccinated persons can be COVID infected and infectious. Vaccination assists the immune system to better fight the infection. That is all. So a no-fly list would need to pertain to those who are not verifiably COVID negative. This is especially critical in the case of the Delta strain which is far more infectious, even with vaccinated persons, than the earlier strains. But we also have to consider that tests have been shown to give both false positives and false negatives. So the risk cannot be totally eliminated.

lax4ever 5y ago
This right here. The vaccine's should never have been marketed as being able to stop infection. Given the history of previous coronaviruses it makes no sense that a vaccine would suddenly be able to stop people from getting infected by the disease. The vaccine's only strength is in decreasing the severity of symptoms. This can lead to less infection since there will be fewer people who hit the threshold for a transmissible viral load (without going in to the deep end on infectious vs non-infectious viral loads), but does not stop infection entirely.