WBEZ brings you fact-based news and information. Sign up for our newsletters to stay up to date on the stories that matter.The World Health Organization is creating an “emergency team” to combat the Zika virus. The WHO has called the virus’s spread “explosive,” and going “from a mild threat to one of alarming proportions”. The WHO also predicts three to four million cases of the virus and will meet next week to decide if the Zika crisis should be called a global emergency. We’ll take a look at the potential public health emergency with Laura Rodrigues, professor of Infectious Disease and Epidemiology at the London School of Hygiene and Tropical Medicine. She’s currently in Brazil, one of the virus epicenters. Guest: Laura Rodrigues is a professor of Infectious Disease and Epidemiology at the London School of Hygiene and Tropical Medicine.