tick removal, 43
        
        
          United Nations (UN), 14, 16, 67, 69,
        
        
          75–76, 77
        
        
          US Food and Drug Administration (FDA),
        
        
          92–93, 105
        
        
          vaccination, and disease prevention, 13,
        
        
        
          ,
        
        
          38, 46–47, 49–50, 65, 70–74, 77, 80,
        
        
          91, 100–102, 105–106, 111–114, 116
        
        
          vaccine development,
        
        
        
           46, 50–51,
        
        
          101–102, 112, 113
        
        
          vectors, 39
        
        
          fleas, 10, 12, 39
        
        
          mosquitoes, 6–8,
        
        
        
          , 39–40, 43–46, 48,
        
        
          50, 64, 69, 114–115, 118
        
        
          ticks, 39–43, 54
        
        
          Venezuela, and malaria, 64
        
        
          virus, 17.
        
        
          
            See also
          
        
        
          influenza
        
        
          infographic, 21, 99
        
        
          mechanics of, 20–22
        
        
          mutation of, 21–22, 48, 99–100, 104
        
        
          volunteer opportunities for disease prevention,
        
        
          118–119
        
        
          West Nile virus, 8, 39, 42–45, 48, 50
        
        
          symptoms of, 45
        
        
          treatment for, 45
        
        
          wet market,
        
        
        
          , 57
        
        
          World Health Organization (WHO), 14,
        
        
        
        
           46–47, 60, 62, 64–65, 73–74, 76,
        
        
          81, 86, 90, 92, 98, 100–102, 110–112,
        
        
          116
        
        
          Zika virus, 8, 17, 39, 47–51, 69, 102, 113,
        
        
          115–116
        
        
          symptoms of, 48
        
        
          treatment for, 49
        
        
          zoonotic diseases, 14, 22–23, 102, 116
        
        
          135