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The disproportionately high Covid-19 infection rates observed in Black Americans could be linked to their daily commuting patterns, according to a new study published today in the
Journal of the Royal Society Interface.
The research found that increased exposure to other ethnic groups, for example as a result of an individual's job or use of public transport, can result in the emergence of an "infection gap" in the population, such as the abnormally high incidence of Covid-19 recorded in Black Americans.
In some areas of the US Covid-19 incidence in Black Americans can be up to three to five times higher than would be expected based on population data. Previous studies have highlighted socio-economic factors including lower income and poorer access to healthcare facilities could play a role in this infection gap but these factors alone cannot completely explain the disproportionate impact of the pandemic on Black Americans.