But the Yahgan, who never numbered more than 3000 individuals, could not survive contact with white man's diseases; they allegedly became sick immediately if the missionaries persuaded them to put on some clothes.
But the Yahgans, who never numbered more than 3000 individuals, could not survive contact with white man's diseases against which they had no immunity-particularly pneumonia and tuberculosis. They allegedly became sick almost as soon as the missionaries persuaded them to put on some clothes.