Add more sources for articles

[pablomendes]

I will list in this thread a few candidate sources for us to review later and decide which to add.

CDC

• http://wwwnc.cdc.gov/eid/article/22/5/16-0107_article
• http://www.cdc.gov/zika/hc-providers/qa-sexual-transmission.html
• http://www.cdc.gov/zika/prevention/index.html
• http://www.cdc.gov/zika/pregnancy/thinking-about-pregnancy.html
• http://www.cdc.gov/zika/about/gbs-qa.html

ECDC

• http://ecdc.europa.eu/en/healthtopics/zika_virus_infection/factsheet-health-professionals/Pages/factsheet_health_professionals.aspx

[pablomendes]

Science daily

• https://www.sciencedaily.com/releases/2016/04/160411082335.htm

[pablomendes]

A curated collection available from here:

• https://flutrackers.com/forum/forum/emerging-diseases-other-health-threats-alphabetical-i-thru-z/zika-virus