In Brazil, influenza epidemics don’t start in the crowded cities.
The notion that flu epidemics start in areas of high population density and spread outwards may not hold true for the tropics, hints a study from Brazil.
Tropical flu spreads the ‘wrong way’
In Brazil, influenza epidemics don’t start in the crowded cities.
The notion that flu epidemics start in areas of high population density and spread outwards may not hold true for the tropics, hints a study from Brazil.
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