Here is a list of things that we should know:

1. Zika virus initially causes mild illness known as 'Zika fever' and it is transmitted through the aedes aegypti mosquito.

2. There is no medical treatment for this infection.

3. Since November, Brazil has seen 4,180 cases of microcephaly in babies born to women who were infected with Zika during their pregnancies.

4. Symptoms of Zika virus include fever, rashes, headache and possible pink eyes.

5. The only protection against Zika virus is to avoid travelling to areas with active infestation.

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