There are low frequency mutations in HA that indicate adaptation in a human host—specifically this human host.
But this doesn’t really change much in terms of estimating pandemic risk.
www.cdc.gov/bird-flu/spo...
There are low frequency mutations in HA that indicate adaptation in a human host—specifically this human host.
But this doesn’t really change much in terms of estimating pandemic risk.
www.cdc.gov/bird-flu/spo...