Regarding the New Yorker Ebola evolution article. We do have one data point to look at. The best candidate for host adaptation in the West African outbreak was GP A82V (https://nextstrain.org/ebola?c=gt-GP_82 …). We haven't yet seen this mutation in the DRC outbreak (https://nextstrain.org/community/inrb-drc/ebola-nord-kivu?c=gt-GP_82 …).
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Yep. Agreed. The normal expectation here would be a trade-off between within-host selection for better cell-to-cell replication against between-host selection for increased transmission (which could be achieved through attenuation).
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Makes one wonder what impact the widespread use of a vaccine during this outbreak is having on selection of changes incurred through the different transmission chains...if any...wonderful that a question like this is even approachable now...
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