Big cities have longer flu seasons, while small cities have more intense ones
Heading into flu season, predicting the virus’ spread and mapping where outbreaks might occur remains an imperfect science. But a new study says a surprising factor impacts how bad the season is: city size. The study, published in the journal Science, finds that smaller cities like Nashville experience flu season differently than larger, denser metropolises, with shorter and more intense outbreaks of the disease that can strain public-health infrastructure.
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