>>12140393It will drop dead birds from the sky and adjust their migration traces...
They stop to carry trace pathogens across human cultures, therefore travelling will became dangerous, because they will be no resistance generated by trace amounts of pathogens in immunity in cross cultural communication, because travel will be restricted due to corona virus.
Every population will be locked, and viruses will evolve independently, therefore humans from other cultures won't be immune to other cultures strains.
Therefore you'll need to get vaccinated against flu if you go over the border.
