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A new study that analyzed the COVID-19 outbreak in Brazil has found a link between the spread of the virus and past outbreaks of dengue fever.
The study suggests that exposure to the mosquito-transmitted illness may provide some level of immunity against COVID-19.
The not yet published study, led by a professor at Duke University, compared the geographic distribution of coronavirus cases with the spread of dengue in 2019 and 2020.
Places with lower coronavirus infection rates and slower case growth were locations that had suffered intense dengue outbreaks this year or in 2019.
The study says if proven correct, this hypothesis could mean that dengue infection or immunization with a safe dengue vaccine could produce some level of immunological protection against the coronavirus.
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