ZIKA VIRUS – IRISH HAEMOPHILIA SOCIETY POSITION STATEMENT
5th February 2016
There has been a lot of media attention in the last week to the Zika virus.
The World Health Organization (WHO) has declared the Zika virus a public health emergency of international concern. They define this as “an extraordinary event which is to constitute a public health risk to other states through the international spread of disease and to potentially require a coordinated international response.” The WHO estimates that up to four million people worldwide could be affected this year. The virus has been linked to thousands of suspected cases of birth defects in Brazil. Zika is primarily spread by bites from infected Aedes aegypti mosquitoes, after which the virus enters the bitten individual’s blood stream. The Aedes albopictus mosquito is also implicated in onward transmission.
As Zika is a flavivirus, which is a relatively large (40 nanometres - nm) lipid-enveloped virus, there is a high probability that it will be successfully inactivated and removed by current pathogen inactivation and reduction techniques (heat, solvent detergent and nanofiltration) used in the manufacture of plasma-derived medicinal products (PDMP), including plasma-derived FVIII and FIX concentrates.
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