Denisovan DNA comprises less than 1 percent of East and South Asians’ genomes, but between 3 and 6 percent of New Guineans’.[65] And just like the Neanderthal-Homo sapiens poison-antidote model, many introgressed Denisovan gene variants carried are involved in immune-related processes, suggesting that these genes facilitated Homo sapiens’ adaptation to pathogens that they encountered as they pushed into Eastern Eurasia.