“I was astonished, quite upset” the mass immunization program was going forward, Dr. Halstead says By Meanne Corvera Eagle News Service A US scientist who has been studying dengue since the 1970s said on Tuesday that there should have been a blood test first before Dengvaxia was administered on a massive scale. Speaking before the Senate blue ribbon and health committees hearing on the Dengvaxia mess, Dr. Scott Halstead said that while the Department of […]