Read more:Years before Zika vaccine becomes availableWHO: Zika no longer a 'global health emergency'New clues on how Zika virus causes microcephaly Zika vaccine – iStock ~An innovative vaccine made from genetic material protected lab animals from the Zika virus in experiments, scientists report, calling it a "promising" lead in fighting the threat to humans. Read: Brazil says Zika vaccine will take 3 to 5 yearsOnce there, the vaccine RNA is incorporated into the cell's protein-making machinery, where it mimics the action of a live virus vaccine – building up an immune response. "This candidate vaccine represents a promising strategy for the global fight against Zika virus." Build-up of antibodiesThe World Health Organisation declared a global health emergency in February last year, and declared it over in mid-November.
The World Health Organisation says about 40 potential vaccines for the Zika virus are being tested. An earlier outbreak of a less severe form of Zika hit tens of thousands of people in French Polynesia in 2013. Photo: 123.rfIn a statement to mark the first anniversary of WHO declaring Zika as an international emergency, it says it is unlikely a vaccine will be available for women of childbearing age before 2020. To date, 29 countries have reported thousands of babies born with Zika-linked microcephaly. The WHO says five vaccines are entering or about to enter into clinical trial for safety and ability to induce an immune response.
collected by :Lucy William
To follow all the new news about
No comments:
Post a Comment