"The two-year study found that international migrants are less likely than people in their host countries to die of heart disease, cancer, respiratory diseases and other ills,” NBC's report states. “The exceptions are hepatitis, tuberculosis and HIV. But the study also found these infections are generally only spread within the affected immigrant communities and not to the wider population."
Some of the reports of disease affecting migrant communities, the researchers found, were a result of the conditions of migration: exhaustion.