But they're certainly aware of the general issue. Also, there does not appear to have been conclusive evidence that aspiration was warranted, especially not in

But they're certainly aware of the general issue. Also, there does not appear to have been conclusive evidence that aspiration was warranted, especially not in 2020. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8783631/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8783631/