Centers for Disease Control and Prevention pathologist Brigid Bollweg works on research into the Zika virus in Colombia’s National Institute of Health on April 26.
Centers for Disease Control and Prevention pathologist Brigid Bollweg works on research into the Zika virus in Colombia’s National Institute of Health on April 26. Fernando Vergara The Associated Press
Centers for Disease Control and Prevention pathologist Brigid Bollweg works on research into the Zika virus in Colombia’s National Institute of Health on April 26. Fernando Vergara The Associated Press