The World Health Organization's emergency committee for the Zika virus met today to consider strengthening its precautionary advise to travellers over the Zika virus.

 

Experts have been reviewing scientific evidence to guide public health recommendations since WHO declared a public health emergency last month, saying the virus's association is "guilty until proven innnocent" for the birth defect microcephaly and Guillain-Barré syndrome, a rare disorder of muscle weakness and sometimes paralysis.  

 

The United Nations public health authority will hold a press conference Tuesday on the latest data on the link between the Zika outbreak in Latin America and neurological conditions, travel recommendations, trade and advice for pregnant women.

CBC News will carry WHO's news conference live. 

The committee is considering whether precautionary measures "should be strengthened or modified," WHO said in a release. 

Margaret Chan

World Health Organization director general Dr. Margaret Chan declared the Zika virus's associations with microcephaly and other neurological complications a public health emergency in February. (Pierre Albouy/Reuters)

Dr. Margaret Chan, WHO's director general, and Dr. David Heymann, chair of the emergency committee, are to give a summary of the meeting and its conclusions.

Currently, WHO advises all travellers, including pregnant women, going to areas with locally acquired Zika infections to follow standard precautions to avoid mosquito bites:

  • Use insect repellent.
  • Cover up with clothing.
  • Use screen barriers and bed nets to fend off the day-biting mosquitoes.
  • Eliminate potential mosquito breeding sites. 

Until more is known about the risk of sexual transmission, WHO also advises all men and women returning from an area where Zika is circulating — especially pregnant women and their partners — to practice safe sex, including through the correct and consistent use of condoms.

Canada's chief public health officer, Dr. Gregory Taylor, told a Commons committee on Monday that 20 Canadians, including a pregnant woman, have tested positive for the Zika virus. The infections all occurred while visiting countries with outbreaks.

There are no known instances of Canadians being infected while in Canada.

Canadian authorities advise women wishing to become pregnant to wait two to three months after their return from an affected area before trying to conceive. The precautionary measure is based on current information on the incubation period and uncertainty about how long the virus remains present in body.

http://www.cbc.ca/news/health/zika-who-1.3480937

 

Similarly, anyone who has travelled to a country with Zika must wait 21 days after returning to Canada before donating blood.