Sexual transmission of the Zika virus is “more common than previously thought”, which the head of the World Health Organization (WHO) has warned is “alarming”.
“Reports and investigations from several countries strongly suggest that sexual transmission of the virus is more common than previously assumed,” Dr Margaret Chan, WHO Director-General, told the media yesterday.
Moreover, since February, “imported cases of Zika have been reported from every region in the world,” with local transmission in 31 areas of Latin America/the Carribean, and more geographical spread expected due to the rainy season.
Evidence now shows that Zika is neutropic and can cross the placental barrier and infect the foetus. The virus has been detected in the blood, brain tissue, and cerebrospinal fluid of foetuses following miscarriage, stillbirth, or termination of pregnancy.
“All of this news is alarming. Women who are pregnant in affected countries or travel to these countries are understandably deeply worried,” Chan stated.
In terms of travel measures, WHO stated:
