The viruses were later carried to the New World by Europeans during the time of the Spanish Conquests, but the indigenous people had no natural resistance to the viruses and millions of them died during epidemics.
Virus itu kemudian dibawa ke Dunia Baru oleh orang Eropa pada masa penaklukan Spanyol, tetapi penduduk asli Amerika tidak memiliki kekebalan alami terhadap virus dan jutaan dari mereka meninggal selama epidemi.