Over 25,000 people are now confirmed as being infected with the Zika virus in Colombia, with 3,100 of them being pregnant women, President Juan Manuel announced over the weekend. As the disease continues to ravage the America’s Brazil is investigating the link between Zika and microcephaly, a birth defect marked by an unusually small head size. Alarabiya.net reports: Researchers have identified evidence of Zika infection in 17 of these cases, either in the baby or in the mother, but have not confirmed that Zika can cause microcephaly. There are so far no recorded cases of Zika-linked microcephaly in Colombia, Santos said. The government is now uncertain about a previous projection for up to 500 cases of Zika-linked microcephaly, based on data from other countries battling the disease, he said. Much remains unknown about Zika, for which there is no vaccine. An estimated 80 percent of those infected show no symptoms, and those that do have a mild illness, with a fever, rash and red eyes. There are 25,645 people infected with Zika in Colombia, Santos said during a TV broadcast with health officials. Among them are 3,177 pregnant women. “The projection is that we could end up having 600,000 cases,” [...]