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Italy has 'moderate' risk of Zika virus outbreak: WHO

AFP/The Local
AFP/The Local - [email protected]
Italy has 'moderate' risk of Zika virus outbreak: WHO
Researchers have recently discovered the Zika virus in a second mosquito species known as the "Asian Tiger" mosquito. Photo: Yuri Cortez/AFP

Italy faces a 'moderate' risk of a Zika virus outbreak, the World Health Organization (WHO) warned on Wednesday.

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Another 18 countries in Europe, including France and Malta, were also placed in the 'moderate outlook' group ahead of the upcoming summer months, while the Black Sea coastal areas of Georgia and Russia face a high risk, the WHO warned.

"The overall risk of a Zika virus outbreak across the WHO European Region is low to moderate during late spring and summer," it said.

That was largely due to the presence of another mosquito species in those countries: the Aedes albopictus, which is less "prone" to causing outbreaks than its cousin in Latin America and the Caribbean, according to research by the Pasteur Institute.

Meanwhile, the Black Sea coastal areas of Georgia and Russia face a high risk of a Zika virus outbreak.

"The likelihood of local Zika virus transmission, if no measures are taken to mitigate the threat, is ... high in limited geographical areas: the (Portuguese) island of Madeira (off Africa) and the northeastern coast of the Black Sea," WHO said.

The reason for the high-level threat in those areas is the presence there of Aedes aegypti mosquitoes, which carry the Zika virus that health authorities say causes birth defects in newborns, the UN global health agency said.

Within the "moderate likelihood" group, France, Italy and Malta had the top three transmission likelihood scores.

The score was based on factors including climatic suitability for the mosquitoes, shipping and air connectivity, population density, urbanisation and history of previous outbreaks of viruses transmitted by insects or other animals.

"With this risk assessment, we at WHO want to inform and target preparedness work in each European country based on its level of risk," said Dr Zsuzsanna Jakab, WHO Regional Director for Europe.

"We call particularly on countries at higher risk to strengthen their national capacities and prioritise the activities that will prevent a large Zika outbreak."

Recent scientific consensus is that Zika causes microcephaly, a form of severe brain damage in newborns, as well as adult-onset neurological problems which can lead to paralysis and even death.

There is no vaccine or treatment for the virus, which in most people causes only mild symptoms - a rash, joint pain or fever.

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