When European explorers and travelers spread out, they brought with them the germs that they had become essentially immune to, that they had learned how to tolerate over hundreds and hundreds of years, thousands of years, of living with domesticated animals who were the sources of those pathogens.
Kada su se europski istraživači i putnici razmiljeli, sa sobom su ponijeli klice na koje su oni već postali imuni, koje su naučili podnositi tijekom stotina i stotina godina, tisućama godina, suživota sa domaćim životinjama koje su bili izvor ovih patogena.