Dengue fever may provide some immunity against Covid-19, stu
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People who have suffered from dengue fever may have a degree of immunity against coronavirus, a new study suggests.

The research, led by Duke University professor Miguel Nicolelis, compared the geographic distribution of coronavirus cases with the spread of dengue over the past two years.

Places showing lower Covid-19 infection rates suffered intense dengue outbreaks in 2019 or 2020, Dr Nicolelis’s team found.

The analysis “raises the intriguing possibility” of an immunological cross-over between dengue and coronavirus antibodies, the study’s authors said.

This could mean that an effective and safe dengue vaccine could provide some level of immunity against Covid-19, they added.

Dr Nicolelis said the results were particularly interesting because previous studies have shown that people with dengue antibodies sometimes test falsely positive for coronavirus antibodies, even if they have never contracted Covid-19.

"This indicates that there is an immunological interaction between two viruses that nobody could have expected, because the two viruses are from completely different families," Dr Nicolelis said.

However, he acknowledged that further studies are needed to prove the connection.

Source: https://www.standard.co.uk/news/health/dengue-fever-immunity-covid19-coronavirus-a4552541.html
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