WUSA CBS Evening News With Scott Pelley August 26, 2016
Brown good evening, scott is on assignment. Im james brown. Today, the food and Drug Administration took the extraordinary step of ordering the nations blood banks to begin screening for zika, even in places where the virus is not present. Zika can cause severe birth defects, and to date there have been nearly 2500 infections in the u. S. Linked to travel in countries affected by the outbreak. 42 were locally transmitted in florida, most likely from mosquitoes. Dr. Tara narula is a cbs news medical contributor. And i guess the first question up is why has the f. D. A. Called for a nationwide t...